Math – Percentages and Decimals
Problem #26
40 = 20% of what number?
Step 1
40 x 5 = 200
Answer
200!
Story Problem
Bob has 40 fat walruses living in his apartment. They are some of the only Blue bottomed walruses left on the planet. They are 20% of the last blue bottomed walruses. How many blue bottomed walruses are there in total on the world?
Problem #27
81/2% of $500.00
Step 1
8.5% of $500.00
Step 2
.085 of $500.00
Step 3
.085 x $500.00
Step 4
.085 x 500.00 = 42.5
Answer
42.5!
Story Problem
Bob loves fish tacos. He wanted to buy a fish taco that costs $500.00 . There is an 8 1/2% tax on the fish taco. How much does Bob pay for the fish taco?
Problem #28
18 = __% of 150
Step 1
18 = __% x 150
Step 2
18 ÷ 150
Step 3
18 ÷ 150 = .533
Step 4
.533 = 53.3%
Answer
53.3%
Story Problem
Bob has 18 matches missing from his 150 matchbox. What percentage of matches are missing from Bob’s matchbox