Stephen is 2 years older than Sushil. Krutika is 4 years younger than Sushil. If the total of their ages is 61, how old is the eldest of them?
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Answer:
SUSHIL'S AGE = 19.6
STEPHEN 'S AGE = 21.6
KRUTIKA 'S AGE = 15.6
Step-by-step explanation
LET SUSHIL 'S AGE BE = x
= STEPHEN 'S AGE = x + 2
= KRUTIKA 'S AGE = x - 4
= x + (x + 2) + (x - 4) = 61
= 3x + ( 2 - 4) = 61
= 3x + ( -2) = 61
= 3x + (-2) - ( - 2) = 61 - ( -2 )
= 3x = 59
= 3x / 3 = 59/3
= x = 19.6
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