Question

You are trying to save $20 a week to

buy a new CD player. During the last 4
weeks you have saved $35, $15, $10,
and $12. How much do you need to
save this week to average $20 for the 5
weeks?

Answer 1

the answer is £40 if u add it all together and then you get £60, you need to make it £100 so add £40 and that's how much

Answer 2

(35+15+10+12+x)/5=20

Explanation:

(72+x)=20

x+72=20

x+72-20

x+52