Question

Sarah is working two summer jobs, making $7 per hour babysitting and $20 per hourlifeguarding. Sarah must earn at least $110 this week. Write an inequality that wouldrepresent the possible values for the number of hours babysitting, b, and the numberof hours lifeguarding, 1, that Sarah can work in a given week.

Answer 1

she makes $7 per hour babysitting and $20 per hour lifeguarding. She wants to earn at least $110 this week.

number of hours babysitting = b

number of hours lifeguarding = l

The inequality can be represented below

`7b+20l\ge110`