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 Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
Bank A
substitute in the formula above
Bank B
substitute in the formula above
Bank C
substitute in the formula above
Find the average interest gained from the three accounts in one year
Answer: 80 and 6x
Step-by-step explanation:
10 x 8 = 80
2x times 3x = 6x
Hey there! :D
Divide 15 by the numerator so we can find 1/7.
15/5= 3
3*7= 21
The number is 21.
I hope this helps!
~kaikers