Question

David is rowing a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at a speed of 6 miles per hour, and his speed decreases at a rate of 1.5 miles per hour.
which equation gives the speed of the boat after David has rowed for x hours
A.Y=4+1.5X
B.Y=4-1.5X
C.6-1.5X

Answer 1

it is C

Reasoning:
6-2=4
4-x(x being the amount that he decreases.)

Answer 2

thank you

Answer 3

np