Answer:
https://www.omnicalculator.com/finance/compound-interest
Step-by-step explanation:
this is a link to a compound interest calculator and it helped me with similar problems hope it helps you
Answer:

Step-by-step explanation:
Turn the decimals into simplifies fractions first:

* 7½ = 7,5
I am joyous to assist you anytime.
I'm pretty sure he saved $27. I just divided 90 by 20 to get the amount of times he would have saved 6 dollars. Then, I multiplied that number, 4.5, times 6 to get the amount he saved. Hope that helps (and that it's correct lol). <span />
Answer:
40 months
Step-by-step explanation:
It will take Vanessa 40 months or 3 years and 4 months to repay the bank their loan amount(without interest ofc).
It's between 11 and 12.
8 9 10 -11 12- 13 14 15