COOP Cooperative Admissions Mathematics

Question 1

A store sells notebooks for $2.75 each. If Marcus buys 8 notebooks, how much does he spend in total?

Accepted Answer

$22.00

Answer

8 × $2.75 = $22.00.

Question 2

What is the value of the expression 3² + 4²?

Accepted Answer

25

Answer

3² = 9 and 4² = 16, so 9 + 16 = 25.

Question 3

A rectangle has a length of 12 cm and a width of 7 cm. What is its perimeter?

Accepted Answer

38 cm

Answer

Perimeter = 2(length + width) = 2(12 + 7) = 2(19) = 38 cm.

Question 4

If 5x − 3 = 17, what is the value of x?

Accepted Answer

4

Answer

5x = 20, so x = 4.

Question 5

What is 35% of 200?

Accepted Answer

70

Answer

35% × 200 = 0.35 × 200 = 70.

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