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What is the profit percent if a shopkeeper buys a football for $12 and sells it for $15?

• 80%

• 25%

• 20%

• 50%

Calculate the percentage loss if an item is bought for $70 and sold for $49

• 42.9%
• 70%
• 30%
• 35%

Solve the proportion.

• 84
• 21
• 11
• 5

Solve the proportion.

• 20
• 7
• 22
• 11

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18
• 3:2
• 30:18
• 18:7

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

The drawing scale is ...........

• A number

• a ratio between the real length and the length in drawing

• Is a ratio between the drawing length and the real length.

• proportion

The length of a boy is 125 cm and his length in a photo is 5 cm then the drawing scale ........

• 25

• 25 : 1

• 1 : 25

• 1 : 125

Simplify (5x + 3) - (2x - 5)

• 3x + 8
• 3x - 2
• 7x + 8
• 7x - 2

Find the sum:
(7k + 9) + (4k - 3)

• 3k + 6 
• 11k + 6
• -11k + 6
• - 3k + 6