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sandyyknguyen4837
sandyyknguyen4837
31.07.2019 • 
Mathematics

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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