Answer:
30 minutes
Step-by-step explanation:
15/25=18/x
25/15=x/18
18(25/15)=x
450/15=x
x=30
it will take 30 minutes
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c) exponential
Each y-value is half the previous one, so an exponential function is indicated.
y = 12800(1/2)^x
ten feet
