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To maintain her income, Susan must work 50 hours each week. Susan works 7 hours on Monday, Tuesday, and Wednesday, and 8 hours on Thursday. If the variable t stands for the number of hours over the rest of the week Susan will have to work to meet her goal, which of the following choices is the most reasonable value for t?

Respuesta :

ishratraisa08

Answer: 21

Step-by-step explanation:

-She needs to work 50 hours altogether. Since she works 7 hours on Monday, Tuesday and Wednesday, multiply 7*3= 21 hours all three days.

Plus the 8 she works on Thursday. 21+8= 29

So, 29 +  t = 50

     -29       -29 (subtract 29 from both sides)

You get 21.

She needs to work a total of 21 hours.

1047654

Answer:

20 hours

Step-by-step explanation:

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