Roselyn is a college student with two part-time jobs. She works a few hours a day at the college laboratory, which pays her at a rate of $8 per hour. She also makes small pendants that she sells for $4 a piece. She needs to earn at least $160 a week to cover her expenses.
If Roselyn sold 10 pendants in a week, then she must have worked at least ?
hours at the laboratory to cover her weekly expenses

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jaylynvelez jaylynvelez · Answer 1 · 2020-01-10T06:55:55+01:00

Answer:

15 hours.

Step-by-step explanation:

We first need to see how much money Rose would earn if she sold the 10 pendents, so we will multiply 4×10.

4×10=40

Now we know, she already has 40 dollars of the 160 dollars she needs.

To find out how much she needs left, we will subtract 40 from 160.

160-40=120

She needs a total of 120 more dollars from working.

To find out how many hours she needs to work, we will divide 120 by 8.

120÷8=15.

In conclusion, she needs to work for at least15 hours to receive enough money.Please help me by marking this brainliest, and giving a thanks!