Math Challenge

Question

0

403

2

+318

Eric had 7 times as many markers as Andy. After Eric gave Andy some of his markers, each boy then had 36. How many markers had Eric given to Andy?

Tgfromthe4 May 13, 2021

edited by Tgfromthe4 May 13, 2021

Guest · Answer 1 · 2021-05-13T02:59:15

7/9 of 108 is 84 so 108-84 is 24 so that means 24 coins are quarters

ElectricPavlov · Answer 2 · 2021-05-13T03:05:29

e = 7a

then

e-s = 36 and a+s = 36 where 's' is 'some'

e = 36+s a = 36 -s sub these into the red equation

36+s = 7 ( 36-s)

s = 27