Barbara has some dimes and quarters. If she has 29 coins worth a total of $3.95. how many of each type of coin does she have

Mathematics · College · Thu Feb 04 2021

Answered on

Let x=the number of dimes

Let 29-x=the number of quarters

Create an equation

3.95=(.10)(x)+(29-x)(.25)

3.95=.10x+7.25-.25x

3.95-7.25=.10x-.25x

-3.3=-0.15x

22=x

She has 22 dimes and 9 quarters.