subtraction

if you have a 7-8 slices pizza and 41 slices were eaten how many are left 7 8 slice pizzas = 7*8 = 56 slices 56 slices - 41 eaten = 15 slices left

in a class of 40 students 15 failed. How many passed? Passed = Total - Failed Passed = 40 - 15 Passed = 25

The January record high temperature in Austin, Texas is 92 degrees. The January record low temperature is -1 degree. What is the difference between the record high and low temperatures? Difference = High - Low Difference = 92 - -1 Difference = 92 + 1. <-- Since minus negative equals positive...

1/3 of students at a school are boys. If there are 600 students at the school, how many are girls? If 1/3 are boys, then the number of boys is: 600 * 1/3 600/3 We type this fraction into our search engine to simplify, and we get: 200 Now we need to find how many girls are at the school: Girls...

A football team loses 3 yards, gains 12 yards, gains 10 yards, and then loses 15 yards. Did the team gain yards or lose yards overall? How many yards We have: Gains - Losses -3 + 12 + 10 - 15 (12 + 10) - (3 + 15) 22 - 18 4 yard gain

Stella buys one carton of juice. The carton holds 130 fl oz. She fills 5 glasses with juice from the carton. Each glass holds 8 fl oz. How much fl oz is left in the carton? First, we find out how much juice was poured into glasses from the carton: Poured Juice Weight = Glasses of Juice * Ounces...

The temperature in Minneapolis changed from -7 fahrenheit at 6am to 7 fahrenheit at noon. What was the difference between high and low temperatures? Difference = High Temp - Low Temp Difference = 7 - -7 Difference = 14

find the difference between a mountain with an altitude of 1,684 feet above sea level and a valley 216 feet below sea level. Below sea level is the same as being on the opposite side of zero on the number line. To get the difference, we do the following: 1,684 - (-216) Since subtracting a...

Tim caught 6 ladybugs. Ali caught 7 and Jon caught 5. The children put some of their ladybugs in a big jar. The jar then had 8 ladybugs. How many ladybugs were not placed in the jar? Add up the total ladybugs caught: Total ladybugs caught = Tim's ladybugs + Ali's ladybugs + Jon's ladybugs...

From 199 meters above sea level, Linda took off in her helicopter and descended 296 meters. What is Lindas elevation now? Descended means we subtract 296 meters from 199 meters. Elevation Now = 199 - 296 Elevation Now = -97 Negative elevation means below sea level. So our answer is: 97 meters...

A lady walks into a store and steals $100 bill from the register without the owners knowledge. She comes back 5 minutes later and buys $70 worth of goods with the $100 bill. The owner gives her $30 in change. How much did the owner lose? After the lady steals $100, the owner is down -$100. The...

Adam ate 1/5 of a cake and Matt ate the rest. What fraction did Matt eat? The rest of the cake is 1 - 1/5. 1 as a fraction is 5/5. So we have: 5/5 - 1/5 Using our fraction calculator, we get 4/5

A store owner bought 240 cartons of eggs. The owner sold 5/8 of the eggs and set aside 5 cartons. How many cartons of eggs did the owner have left to sale? If the owner sold 5/8 of the eggs, they have 1 - 5/8 left. 1 = 8/8, so we have 8/8 - 5/8 = 3/8 left 3/8 (240 cartons) = 90 cartons...

Shanti had 275 red beads and 3 tines as many blue beads as red beads. She used a total of 156 beads to make a bracelet how many beads did she have left? Calculate Blue Beads: Blue Beads =3 * Red Beads Blue Beads = 3(275) Blue Beads = 825 Subtract off the beads Shanti used for the bracelet: 825...

Joaquin buys 3 dozen lightbulbs. After changing the lightbulbs in his house,he has 15 lightbulbs left. How many lightbulbs did he use? Type 3 dozen into the search engine. We get 36 units. Now, if Joaquin has 15 lightbulbs left, we subtract 15 from 36: 36 - 15 = 21 lightbulbs used

A delivery man had 3,456 bottles of water in his truck. The bottles were packages in cases. There were 48 bottles in each case. The driver delivered 192 bottles to a store. How many cases were in the truck after delivery? Total cases in the truck before delivery 3,456/48 = 72 cases Driver...

Tiffany is 59 years old. The sum of the ages of Tiffany and Maria is 91. How old is Maria? Tiffany + Maria = 91 59 + Maria = 91 Subtract 59 from each side Maria = 91 - 59 Maria = 32

The theater can hold 250 people 50 seats are empty how many people are there 250 - 50 empty seats = 200 people in the theater.

A soft drink costs $1.65, and each refill for the drink costs $0.95. If you have $4.50, how many refills can you purchase? Subtract the first drink: 4.50 - 1.65 = 2.85 Now, we need to find out how many refills we get for 2.85. 2.85/0.95 = 3 refills

John Adams was born in 1732 and became president in 1797. Harry S. Truman was born in 1884 and became President in 1945. Who was older when he became president? Adams: 1797 - 1732 = 65 Truman: 1945 - 1884 = 61 Adams was older.