Question

All CD's are on sale for 20% this week. The CD is $9.99. A. Write a proportion to solve for the price of the original cd. B. solve the proportion

Answer 1

Answer:

So lets see if the reduced price at 20% off is provided so the original price is Greater than 9.99$

A) so the proportion is

If 20%=9.99$

20%+X =original price

B) So

=20/100.X=9.99

=0.2*X=9.9$

=X=9.9$/0.2

= Original price was 49.5 $

Thanks in advance

Nahom wondale