Nguyen can earn $5 and hour for working at the college library and $9 an hour for construction work. to save time for study, he wants to limit his work to 20 hours a week but still earn more than $125. how many hours can he work in the library?

The answer is 13 days.

Step-by-step explanation:

Let's call the days he can work in the library x.

The days he can work in construction work is 20-x. Then x days per 5$ plus (20-x) days per 9$ should be bigger than 125$.

therefore

Since x must be integer, the biggest we choose is 13.

To crosscheck

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a. turk and mcalister

b. howard, mission, and market

c. yes. since streets end some do not cross yet are not parallel to others. example: mcalister and 5th

step-by-step explanation:

parallel lines are lines which do not intersect ever and look a lot like railroad tracks. turk, mcalister and golden gate are examples of these.

intersect are streets which cross each other and a car on one can reach the other. howard, mission, and market intersect with 6th.

skew lines are lines which neither intersect nor are parallel. these lines exist here because some streets end and never intersect another like mcalister and 5th.

you forgot an image

step-by-step explanation: