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Rufina [12.5K]
3 years ago
15

Richard had 180 total minutes to do

Mathematics
1 answer:
zaharov [31]3 years ago
3 0
3(x+4)= 3x+12
3x+12+x+3+x=5x + 15
5x+15=180
5x=180-15
5x=165
x=165/5
x= 33min

mowing the grass = 3(x+4)
= 3(33+4)
=99+12
=111 min mowing grass
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