Question

please explain also...​

Answer 1

Step-by-step explanation:

1) let the number be x

3x+6=28

4 added to 3x +2=3x+6

2) let gopi's present age be x,

so, 16+x=5x

=4x=16

=>x=4

3) 3x - 5 =4x - 6

so, x=1

4) let parts be x and 2x/7

so, x+2x/7=54

9x=54×7

x=42

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