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26.03.2020 •
Mathematics
Christopher earned $78 at his job when he worked for 2 hours.
What was his hourly pay rate in hours per dollar? Express your
answer in simplest form.
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Ответ:
1 dollar every 1/39 hour
Step-by-step explanation:
If Christopher earns $78 in two hours, he must earn $39 dollars in one hour because 78/2 is 39. Therefore, every hour Christopher earns $39. To find the amount of hours per dollar, divide 1, the hour, by 39, the money per hour, to get 1/39.
Ответ:
1 hour/39 dollars
Step-by-step explanation:
So we need to find the unit rate in hours per dollar
Lets replace per with a division sign
We know that 2hours=$78
So we can divide 2 and 78 to get unit rate
78/2=1/39
1 hour/$39
Hope this helps!
Ответ:
X=3
Step-by-step explanation: