EXAMPLE: The shipping department of a business needs to ship 496
calculators. If they are packed 8 per box, how many boxes will be needed?
SOLUTION:
GOAL: You are being asked to find how many boxes are needed.
STRATEGY: Here you are given thetotalnumber of calculators, 496, and
need to pack 8 items in each box. You are asked to find how many boxes
(groups) are needed. In this case, use division.
IMPLEMENTATION: 496 8 ¼62 boxes. Hence, you will need 62 boxes.
EVALUATION: Check: 62 boxes8 calculators per box¼496 calculators.
Now you can see how to decide what operation to use to solve arithmetic
or preaglebra problems using whole numbers.
Try These
- The Rolling Stones tour grossed $121,200,000 in l994 while Pink
Floyd grossed $103,500,000 in 1994. How much more money did
the Rolling Stones make than Pink Floyd in 1994? - In New Jersey, the federal government owns 129,791 acres of land.
In Texas, the federal government owns 2,307,171 acres of land, and in
Maryland, the federal government owns 166,213 acres of land. Find
the total amount of land owned by the federal government in the
three states. - If 5 DVD players cost $645, find the cost of one of them.
- If you can burn 50 calories by swimming for 1 minute, how many
calories can be burned when you swim for 15 minutes? - If a person traveled 3588 miles and used 156 gallons of gasoline, find
the miles per gallon. - The highest point in Alaska on top of Mt. McKinley is 20,320 feet.
The highest point in Florida in Walton County is 345 feet. How much
higher is the point in Alaska than the point in Florida?
LESSON 2 Using Whole Numbers 9