Question

Anna is 5 times as old as Rita.In 2 years,Anna will be 3 times as old and in 6 years twice as old.How old will Anna be in 7 years?​

Answer 1

Answer:

Anna will be 17 years old

Step-by-step explanation:

From question :

A= 5*R . .. ..(1)

A + 2 = 3(R+2) ........(2)

A+6 = 2(R+6)

[ We don't need third equation though ]

From (2),

A+2 = 3R + 6

A = 3R + 4

5R = 3R + 4

R = 2

Anna (A) = 5*2 = 10

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