Answer:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above and solve for t
1+1 = 2
-1 + 3 = 2
6x+8+4x+2=180
so!! 10x+10=180
10x=170
x=17
(B) 4
Hope this helps :)
B
It has two or more terms.