Answer:
year
Step-by-step explanation:


CI=compound interest

for each a and b
account earn each year by a=
account b earns
%
find the time the value of b is more






year
Answer:
17 nickels and 24 quaters
Step-by-step explanation:
0.85÷5=17
6.00÷0.25=24
Answer:
77%
Step-by-step explanation:
Honestly I would just count it
Answer:
12.8 is the speed of the boat
Step-by-step explanation:
64/5
Answer:
90%
Step-by-step explanation:
To calculate a percentage, divide the smaller number into the larger one. 36 ÷ 40 = 0.9, which is equal to 90%.