Emily is entering a bicycle race for charity. Her mother pledges $0.30 for every 0.75 mile she bikes. If Emily bikes 12 miles, how much will her mother donate?

Emily's mother will donate

$

24

.

Step-by-step explanation:

The pledge amount is

$

0.40

for every

0.25

(quarter) mile. So for one mile, the pledge amount will be:

0.40

*

4

=

1.60

Therefore, for

15

miles, the total donation will be:

15

*

1.6

=

24