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The equation y = 15x describes the amount of money Sandra earns, where x is the number of hours she works and y is the amount of money she earns.

The table shows the amount of money Susan earns for different numbers of hours worked.

 

 

Time (h)

4

5

8

10

Money earned ($)

32

40

64

80

 

   How much money does Sandra earn per hour?

Who earns more per hour?

hoiuu  Oct 10, 2018
 #1
avatar+9726 
+2

32 : 4 = 8

40 . 5 = 8

64 : 8 = 8

80 : 10 = 8

 

Sandra earn ($) 8 per hour.

laugh

Omi67  Oct 10, 2018
 #2
avatar
+2

Just sub Susan's hours from her table into Sandra's equation y=15x.

y=15 x 4 =$60  vs  $32 for Susan

y=15 x 5=$75   vs  $40 for Susan

y=15 x 8=$120 vs  $64 for Susan

y=15 x 10=$150 vs $80 for Susan.

As you can see, Sandra's earnings per hour is $15 compared to Susan's $8 per hour.

Guest Oct 10, 2018

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