Mathematics
Mathematics, 10.01.2020 11:31, olaffm9799

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

answer
Answers: 1

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Roselyn is a college student with two part-time jobs. she works a few hours a day at the college lab...

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