Mathematics, 27.08.2020 01:01, acavalieri72

In the expression 2(10x) + 15y, x represents the number of hours Nina works in a week at a clothing store and y represents the number of hours she works in a week as a babysitter. The expression shows how much money Nina has earned this month. Which statement is true Nina has worked a total of x – y hours so far this month.
Nina works 15 hours a week at the clothing store.
Nina makes 20x dollars at the clothing store each week.
Nina makes $10 per hour babysitting each week.

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In the expression 2(10x) + 15y, x represents the number of hours Nina works in a week at a clothing...