word problem

Amelia had n shoes in her closet. How many pair of shoes did she have? 1 pair = 2 shoes, so we have: n/2

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going to the river. Each monkey had 1 tortoise in each hand. How many animals are going to the river? Trick question: The elephants are not going to the river. So 1 rabbit goes to the river 3 monkeys go to the...

If 2 is added to the numerator and denominator it becomes 9/10 and if 3 is subtracted from the numerator and denominator it become 4/5. Find the fractions. Convert 2 to a fraction with a denominator of 10: 20/2 = 10, so we multiply 2 by 10/10: 2*10/10 = 20/10 Add 2 to the numerator and...

6 years from now Cindy will be 25 years old. in 12 years, the sum of the ages of Cindy and Jose will be 91. how old is Jose right now? Let c be Cindy's age and j be Jose's age. We have: c + 6 = 25 This means c = 19 using our equation calculator. We're told in 12 years, c + j = 91. If Cindy's...

You receive 9 text messages in 12 minutes. What is the rate of text messages per hour? Set up a proportion of text messages to minutes. Remember, there are 60 minutes in an hour, so we have: 9/12 = t/60 where t is the number of text messages in 60 minutes (1 hour) Typing this into the search...

Austin needs $240 to buy a new bike if he can save $16 per week and how many weeks can you purchase the bike? Set up the equation, where w equals the number of weeks needed. We have: 16w = 240 Typing this into our search engine, we get w = 15.

The Square of a positive integer is equal to the sum of the integer and 12. Find the integer Let the integer be x. The sum of the integer and 12 is written as x + 12. The square of a positive integer is written as x^2. We set these equal to each other: x^2 = x + 12 Subtract x + 12 from each...

A 124-inch length of ribbon is to be cut into three pieces. The longest piece is to be 36 inches longer than the shortest piece, and the third piece is to be half the length of the longest piece. Find the length of each piece of ribbon. Let the longest piece be l. The shortest piece is s = l -...

1 integer is 7 times another. If the product of the 2 integers is 448, then find the integers. Let the first integer be x and the second integer be y. We have the following two equations: x = 7y xy = 448 Substitute (1) into (2), we have: (7y)y = 448 7y^2 = 448 Divide each side by 7 y^2 = 64...

If one half of a number is 24, what is twice the number? Let the number be n. We have: n/2 = 24 Cross multiply, we get n = 48 The problem asks for 2n. 2(48) = 96

When a number is doubled, the result is 36 Let the number be n. We have: 2n = 36 Using our equation solver, we see that n = 18

A construction company needs to remove 24 tons of dirt from a construction site. They can remove 3/8 ton s of dirt each hour. How long will I it take to remove the dirt? Let h be the number of hours it takes, we have: 3/8h = 24 Multiply each side by 8/3 h = 24(8)/3 24/3 = 8, so we have: h =...

Sections of a rail way are 66m in length. What is the length of 81 placed to end to end? We have 81 sections x 66 meters per section = 5,346

You have read 100 pages of a 250 book. You have 3 days left to finish the book. How many pages will you need to reach each day in order to be able to finish the book? Calculate remaining pages to read: Remaining Pages = 250 - 100 = 150 Now, calculate pages per day Pages per day = Remaining...

Roger has 9 white buttons. He has 3 fewer brown buttons than white buttons. Roger has 3 more gray buttons than brown buttons. How many buttons does Roger have in all? 9 white buttons 3 fewer brown buttons than white buttons. So Brown = 9 white - 3 = 6 brown Gray = 3 more than brown = 6 + 3 = 9...

A jar contains 80 nickels and dimes worth $6.40. How many of each kind of coin are in the jar? Using our coin combination word problem calculator, we get: 48 dimes 32 nickels

Arnie bought some bagels at 20 cents each. He ate 4, and sold the rest at 30 cents each. His profit was $2.40. How many bagels did he buy? Let x be the number of bagels Arnie sold. We have the following equation: 0.30(x - 4) - 0.20(4) = 2.40 Distribute and simplify: 0.30x - 1.20 - 0.8 = 2.40...

Kim, Jenny, and Wendy are basketball players. Each plays a different position (guard, forward, and center) and wears a different number (30, 32, and 35).Kim and number 30 are too small to play center. Number 35 is the center. Neither Kim nor Wendy is the forward. Who plays guard, and what...

A trench is 40 feet long and the trencher goes 2 feet per minute. How long does it take to dig the trench? 2 feet per minute * x minutes = 40 feet Divide each side by 2 x = 20 minutes

Roberto has taken 17 photos photos are placed on each odd number page and the newspaper has 10 pages total. The pages with photographs will have 3 or 4 photos each. How many pages has 3 photos and how many pages have 4 photos? Odd pages are 1, 3, 5, 7, 9 17/5 = 3 with 2 remaining. So all 5...