Question

If 7a = 2b = 13, then 42ab
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Answer 1

Answer:

Step-by-step explanation

7a=13

=> a÷13/7

2b = 13

=> b = 13/2

henc2 42ab = 42 × 13/7 × 13/2

= 6 × 13 × 13

__________

2

= 3×13×13

=3×169

=507

Hope it is clear

Answer 2

Answer:

ans is 507

Step-by-step explanation:

hai. let me solve for you

it's given that 7a=2b=13

put 7a=13

a=13/7

similarly,

2b=13

b=13/2

substitute both values

42ab =42×13/7×13/2

cancel it

u get finally 3×13×13=507

that's all simple