Question

Marta told Maribel “The sum of fifty and half the number of oranges is the same as one-hundred-twenty.” Maribel wrote 50 (one-half) + m = 120 What is her error?

Answer 1

C - The One-half should be multiplied by m.

Explanation:

Its right on edge

Answer 2

Her error was that the half should have been multiplied by m, instead

`50 + (1)/(2)m = 120`

Explanation:

Given

`Base\ Amount = 50`

`Rate = 0.05`

`Days = n`

So, we have:

`Base\ Amount + Rate * days = 120`

`50 + (1)/(2)m = 120`

Hence, the error in her workings is that she should have pre-inform her before God and man.