Question

At a particular music store, CDs are on sale at $13.00 for the first one purchased and $10.00 for each additional disc purchased. Maria spends $83.00 on CDs. How many CDs has Maria purchased

Answer 1

D=Disc
13+10d=83
10d=83-13
10d=70
D=70/10
D=7
7+1=8
Maria purchased 8 CDs. Hope this helps!

Answer 2

Maria purchased total 8 CDs.

Explanation:

At a particular music store, CDs are on sale at $13.00 for the first one purchased and $10.00 for each additional disc purchased.

Maria spends = $83.00

She purchased her first CD for = $13.00

Now balance of her charge = 83.00 - 13.00 = $70.00

other CDs are purchased for $10.00

Therefore, 70.00 ÷ 10.00 = 7 CDs

Total CDs = 7 + 1 = 8 CDs

Maria purchased total 8 CDs.