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13.11.2021 •
Mathematics
Stacy and Melissa work at a restaurant.
They both earn $7.75 per hour, plus tips.
Last weekend, Stacy worked
x
number of hours and earned $153.95 in tips.
Melissa worked
y
number of hours and earned $129.02 in tips.
Stacy determined that using the following expression will calculate the amount the girls earned together last weekend.
7.75
x
+
153.95
+
7.75
y
+
129.02
Which of the following expressions is equivalent to Stacy's expression?
Solved
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Ответ:
Step-by-step explanation:
Percent Error = | Actual Yield-Theoretical/ Theoretical Yield | *100%
Error= |-1/7|*100%= 14.29%