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

#2**+1 **

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

ElectricPavlov May 13, 2021