Math, asked by dattarajgunjal2019, 9 months ago

6 girls and 3 boys can finish a certain piece of work in 12 days while 2 girls and 3 boys can finish same work in 20 days what is time to taken by a boy alone to finish the work​

Answers

Answered by gyanesh12
2

Answer:

One boy can finish the work in 8 days

Step-by-step explanation:

6x+3y=12

2x+y=4---------1

2x+3y=20---------2

2x+12-6x=20

4x=-8

x=-2

-4+y=4

y=4+4

y=8

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