(a-23)/(h-7)=3/4
but a=h
(a-23)/(a-7)=3/4
4a-92=3a-21
a=71
check that.
together:2*a
Abby and Hakeem had the same number of CDs. After Abby gave away 23 Cds and Hakeem sold 7 Cds the ratio became 3:4. How many CDs did they all have together?
I can't figure out because ratios have never been something I was good at...
1 answer