Susan makes $5 per hour babysitting and $7 per hour as a lifeguard. Her goal is to make at least $140. Let x = the

Question

number of hours that Susan babysits. Let y = the number of hours that Susan works as a lifeguard. Which of the
following represents three possible solutions to the problem?

Answer 1

1) x = 4 hours, y = 16 hours
2) x = 6 hours, y = 12 hours
3) x = 8 hours, y = 10 hours