gl648809
24.11.2021 •
Mathematics
1. The amount of Kelly's paycheck varies directly with the number of hours
she works. Kelly receives $139.80 for 12 hours of work.
(a) Write a direct variation equation that relates the amount of Kelly's paycheck, y, to the number of hours, x,
that Kelly works.
(b) Use the equation to find the amount of Kelly's paycheck when she works 40 hours.
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Ответ:
Step-by-step explanation:
y = kx ; k =
~~~~~~~~~~
(a). 139.8 = k × 12
k = 139.8 ÷ 12 = 11.65 ⇒ Kelly earns $11.65 per hour
y = 11.65x
(b). y = 11.65 × 40 = 466
Kelly's paycheck when she works 40 hours is $466.00
Ответ:
fe
Step-by-step explanation: