You will earn $20 washing 4 cars
Answer:
1/10 is the correct answer
Step-by-step explanation:
3/5=6/10
7/10-6/10=1/10
Answer:
15
Step-by-step explanation:
hope this helps
Answer:
C. 15
Step-by-step explanation:
The following proportional can be set-up for the figure given:

Solve for x


Cross multiply


15 = 6x - 5x
15 = x
x = 15
Y=(1/5)^x would be the only equation demonstrating decay of these