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saveliy_v [14]
3 years ago
8

Peter needs to wash 20 plates, 30 pieces of silverware, and 10 cups. Then he

Mathematics
2 answers:
Ede4ka [16]3 years ago
5 0

Answer:

120

Step-by-step explanation:

Alexandra [31]3 years ago
3 0

Answer:

120 times

Step-by-step explanation:

20 + 30 + 10 = 60

60 * 2 = 120

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slavikrds [6]

Answer:

x = 55

y = 60

Step-by-step explanation:

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x + 15 + 2x = 180

3x + 15 = 180          combine like terms

3x = 165                  subtract 15 from both sides

x = 55                       divide both sides by 3

y + 3y - 60 = 180

4y - 60 = 180           combine like terms

4y = 240                  subtract 60 from both sides

y = 60                      divide both sides by 4

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JulsSmile [24]

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Step-by-step explanation:

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3 years ago
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