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Rom4ik [11]
3 years ago
8

Adrian works in New York City and makes 42$ per hour. she works in an office and must get her suit dry cleaned everyday for 25$.

if she wants to make more than $260 a day, at least how many hours must she work
Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0

Answer:

She must work at least 7 hours

Step-by-step explanation:

Let

x ----> number of hours she has to work each day

we know that

If Adrian wants to earn more than $260 a day, then the number of hours worked per day, multiplied by $42 per hour minus $25 must be greater than $260    

The inequality that represent this situation is

42x-25> 260

solve for x

Adds 25 both sides

42x> 260+25

42x> 285

Divide by 42 both sides  

x> 6.8\ h

therefore

She must work at least 7 hours

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Step-by-step explanation: I hope this help.

STEP

1

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Equation at the end of step 1

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Polynomial Roots Calculator :

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The factor(s) are:

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Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        1.00      

     -1       7        -0.14        1.98      

     1       1        1.00        1.00      

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