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oksano4ka [1.4K]
3 years ago
7

Sam painted the walls shown. He took 12 hours to paint the walls. If Sam took the same amount of time to paint each wall, how lo

ng did he take to paint 1 wall?
Mathematics
1 answer:
maksim [4K]3 years ago
5 0
How many walls are there ?
what answers are shown to choose from ?
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Answer:

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Step-by-step explanation:

4x-3+2x+21=60            4(7)-3                  2(7)+21

4x+2x   -3+21                 28-3=25             14+21=35

6x+18=60                     DO=25                  OG=35

60-18=42

6x=42

42/6=7

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D
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