Sherri’s babysitter charges a flat fee of $10 and an additional $3 per hour. If last time Sherri owed the babysitter $28, how many hours did the babysitter work?
2 answers
10+3x = 28
10 + 3 h = 28
3 h = 18
h = 18 / 3
3 h = 18
h = 18 / 3