Question

Noah bought 15 baseball cards for $9.00. Assuming that all the cards are the same value, how much would he pay for 30 baseball cards?

A $18.00

B $13.50

C$0.60

D$15.00

Answer 1

Explanation:

We need to find the unit value, so divide 9 by 15.

9 / 15 = $0.60

Since one baseball card costs 60 cents, we multiply by 30 to find the cost of 30 baseball cards.

$0.60 * 30 = $18.00

30 baseball cards cost $18.00

ALTERNATE SOLUTION:

Since 15 is half of 30, just multiply $9.00 by two to get your answer of $18.00

Answer 2

The answer will be A