Question

RUCHI IS 4 YEARS OLDER THEN MONICA AND THE SUM OF THERE AGES IS 20 YEARS. FIND THERE AGES

Answer 1

Answer:

Step-by-step explanation:

Let Ruchi’s age be X

Let Monica’s age be Y

X= 4+Y

X+Y=20

4+Y+Y=20

2Y=16

Y=8

X=4+8

X=12

Therefore,

Ruchi is 12 years old and Monica is 8 years old.

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Answer 2

Step-by-step explanation:

let, Monica age = X

so tuchi age = X+ 4

according to question X+X+4= 20

2X = 20- 4

2X= 16

X = 8

so, Monica's age = 8 years

Ruchi's age = 8+4

= 12 years