Question

If john earns​ 20% more than mary​ does, then mary must earn​ 20% less than john does.

Answer 1

The statement not make sense

Step-by-step explanation:

The question is

Decide rather the following statement makes sense or doesn't make sense. Explain your reasoning

Let

x -----> amount of money John earns

y ----> amount of money Mary earns

we know that

`100\%+20\%=120\%=120/100=1.20`

we have that

`x=1.20y` -----> equation A

Solve for y

That means -----> isolate the variable y

`y=x/1.20`

`y=0.83x`

`0.83*100=83\%`

`100\%-83\%=17\%`

so

Mary earns 17% less than John

therefore

The statement not make sense