Spirla Review/HW #12

Nyla took a math test and got 12 correct and 3 incorrect answers.

Which proportion shows how you could find the percent of wrong answers?

(Hint: 12 correct and 3 incorrect answers makes 15 total.)

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A restaurant has a sign by the door that says "Maximum occupancy: 75 people." What percent of its capacity is 9 people?

• 9%

• 75%

• 12%

• 21%

If the ratio of cats to dogs in a pet shop is 3:4 and there are 12 cats, how many dogs are there?

• 9

• 16

• 18

• 20

A recipe requires 2 cups of sugar for every 5 cups of flour. If you have 10 cups of flour, how many cups of sugar do you need?

• 2

• 4

• 5

• 8

What is 25% of 80?

• 15

• 20

• 25

• 30

The ratio of boys to girls in a class is 2:3. If there are 18 girls, how many boys are there?

• 10

• 12

• 15

• 20

What is 40% of 150?

• 50

• 60

• 70

• 80

`Write 78% as a decimal

• 7.8

• 78.

• 0.78

• 0.078

Convert 3/20 to a decimal

• 3.20

• 15%

• 0.15

• 0.320

Convert 0.65 to a fraction (simplify to lowest terms)

• 6/5

• 13/20

• 20/13

• 65/10