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marshall27 [118]
3 years ago
10

Gerry has two different part-time jobs, and he had work 20 hours per week at each job. He earns $8 per hour at one job. Which ex

pression represents how much Gerry earned last week if he earns d dollars per hour at this other job? A- 20+20d B- 160+ 20d C- 40+ d D- 160+ 8d
Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0
B

And what job he works 20 hours and eight dollars per hour equals 160 in other job you only know he works 20 hours
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Answer:

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Step-by-step explanation:

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T(18)=4(18)+2=74

Now you need to substitute T=74 into the function S(T)=15T to calculate the amount in dollars she will be paid for 74 hours:

S(74)=15(74)=1,110

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B. To calculate the number of units that the worker needs to produce to be paid $3,030 , you need to substitute S(T)=3,030 into the function S(T)=15T and solve for T (to find the number of hours she requires to work to be paid $3,030)

3,030=15T\\\\T=\frac{3,030}{15}\\\\T=202

Now, substitute T(x)=202 into T(x)=4x+2 and solve for x, to calculate the number of units she produces in 202 hours:

202=4x+2\\\\202-2=4x\\\\x=\frac{200}{4}\\\\x=50

She would need to produce 50 units to be paid $3,030

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Answer:

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