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tonya can earn $10 an hour painting houses and $15 an hour baby- sitting. She cannot work more than 15 hours per week. Write a system of inequalities that Tonya can use to determine how many hours a week she needs to work at painting x and baby sitting y to earn $150 per week.

Respuesta :

Answer:

Step-by-step explanation:

Let x = number of hours Tonya can paint houses

Let y = number of hours Tonya can do baby-sitting

She cannot work more than 15 hours week. This means

x + y is lesser than/equal to 15

Also

Tonya can earn $10 an hour painting houses and $15 an hour baby- sitting. This means

10x + 15y

The number of hours a week she needs to work at painting x and baby sitting y to earn $150 per week will be

10x + 15y= 150

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