With the river water current, a motorboat can travel 84 miles in 2 hours. Against the river water current, the same trip takes 3 hours. Find the average rate (speed: miles/hour) of the motorboat in still river
water and the average rate (speed: miles/hour) of the river water current.

Explanation is in the file

cutt.ly/tz3yDpb

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

its 60

4 x 12 = 48

3 x 4 = 12

48 + 12 = 60

yeeeet