Mike has $600 in his checking account. He deposits $70 every month in his account. Which inequality can be used to find how many months it will take until he has more than $900?

Mathematics · High School · Tue Nov 03 2020

llm

Answered on Mon Apr 11 2022

Given :

Amount in account = $600

Amount deposited every month = $70

Let the number of months be x

Then, according to question

600 + 70x ≥ 900

70x ≥ 900 - 600

70x ≥ 300

x ≥ 300/70

x ≥ 4.28

So, it will take 5 months to have more than $900 in account.