Question

If a:b=7:2, then find the ratios
1)b:a
2) a+b upon b

Answer 1

1)2:7

2)a/b=7/2

=a+b/b=7+2/2

=a+b/b=9/2

Answer 2

1) 2 : 7

2) 7+2 /2

9/2 is the answer

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