Question

Mary is twice older than her sister in 5 years time she will be 2 years older than her sister find how whole are they both now​

Answer 1

Answer:

2x+y=5

2x-y=5

Step-by-step explanation:

because it is correct

Answer 2

Answer:

Let the age of MARY be x and her sister be y.

Step-by-step explanation:

A/Q

X = 2Y

AFTER 5 YEARS

X + 5 = Y + 2 + 5

X + 5 = Y + 7

X = Y + 2

SINCE X = 2Y

2Y = Y + 2

Y = 2

THEREFORE MARY WILL BE 2Y = 4 YEARS OLD

PLS MARK BRAINLIEST