Question

mari has a part time job . she earns $7 an hour . she make at most $13.20 per week. what is the greatest numbers of hours that she woks​

Answer 1

1 hour.

Explanation:

Mari has a part time job.

She earns $7 per hour.

She makes at most $13.20 per week.

1 hour gives $7

How many hours gives $13.20 ?

Cross multiplying gives;

`(13.20)/(7)` × 1 hour = 1.885714286 hours

Since she can't get a payment for 0.885714286 hours, she will have to work for 1 hour.

Answer 2

1.9 hrs

Explanation:

13.20÷7=1.885714