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Firdavs [7]
3 years ago
6

Ben is 12 years older than Ishaan. Ben and Ishaan first met two years ago. Three years ago, Ben was 4 times as old as Ishaan?

Mathematics
1 answer:
Marina86 [1]3 years ago
6 0
The first statement means: 
 
b=i+12,
 
The third statement means:
 
b-3=4(i-3),

b-3=4i-12

b=4i-9

Using the value for b from the first statement in the third statement gives you: 

i+12=4i-9

-3i=-21

i=7:   and since b=i+12

b=19

So Ben is 19 and Ishaan is 7.
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