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
llm
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.