A CD was on sale for $1.86 off its original price of $15.50. What were the discount rate and the sale price?

Question

Homework help!

Answer 1

$1.86/$15.50=186/1550=(186/2)/(1550/2)=93/775

(93/31)/(775/31)=3/25=(3*4)/(25*4)=12/100=12% (or just divide 15.50 into 1.86 using your calculator)

12% discount rate

$15.50-$1.86=$13.64 for the sale price