Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
I is the Final Interest Value
P is the amount of money borrowed
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
It is 75wpm because the slope is 3 up and 2 right which is 150/2
7y+3=10y+9
-3 -3
7y=10y+6
-10y -10y
3y=6
Y=2