Cheflulu5727
10.02.2021 •
Mathematics
Problems of the Week (P.O.W.)
Week of February 8-12
5. Hank went to the store and bought two erasers and three pencils. If each
eraser was half the price of each pencil, how much was each pencil if he
spent $2.04 in all (excluding tax)?
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Ответ:
Each pencil cost $0.51
Step-by-step explanation:
Ответ:
x = 31
Step-by-step explanation:
The perimeter is the sum of the equal-length sides:
63 = (x -10) +(x -10) +(x -10)
63 = 3x -30 . . . . . . . . collect terms
21 = x -10 . . . . . . . . . . divide by 3
31 = x . . . . . . . . . . . . . add 10