Answered

David opens a bank account with $140 and then deposits $150 each month. Louis opens a bank account with $260 and deposits $120 each month.


How many months will it take for David and Louis to have equal amounts of money in their accounts?


A)2

B)4

C)5

D)7

Verified Answer :

Illuminati750

Hello, 

x= number of months that it takes for David and Louis to have equal amounts of
     money.

Then:

\(140+x*150=260+x*120 \\ 150x-120x=260-140 \\ 30x=120 \\ \boxed{\bold{x=4}}\)

Answer: it takes 4 months  --> OPTION B

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