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Charlene makes $10 per hour babysitting and $5 per hour gardening. She wants to make at least $80 a week, but can work no more than 12 hours a week.

a. Write a system of linear equations.

b. Graph the solutions of the system.

c. Describe all the possible combinations of hours that Charlene could work at each job.

d. List two possible combinations.

 

please show in order and steps on how to complete the process if possible

 Mar 3, 2016
 #1
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A.

10x+5y≥80

x+y≤12

 

 

B.

https://www.desmos.com/calculator/zbrp5sqgic

 

 

C.

y can be anything from 0 to 8, and x can be anything from 4 to 12

 

 

D.

y=4, x=8.  y=0, x=12.

 Mar 3, 2016
 #2
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When y=8, then x=4.

 

If y decreases by 1, then x increases by 1.

rarinstraw1195  Mar 3, 2016

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