d + h = 3000
d = 5 h
solve the system ... substitution looks good
A girl has been getting her parents change every day for a year. She has dimes and half-dollars worth $30.00. If she has five times as many dimes as half-dollars, how many of each type of coin does she have?
2 answers
update
10 d + 50 h = 3000
d = 5 h
solve the system ... substitution looks good
10 d + 50 h = 3000
d = 5 h
solve the system ... substitution looks good