Question

answer this guys(press it ...xD)

2.mary is twice older than her sister .in 5 years time ,she will be 2 years older than her sister .find how old are they both now.

answer both (1 and 2)​

Answer 1

1) Alternate exterior angles are equal.

2x + 15° = 3x - 10°

x = 15° + 10° = 25°

2) Mary age - m ; Her sister age - n

m = 2n ; (m + 5) = (n + 5) + 2

(2n + 5) = (n + 5) + 2

n = 5 - 5 + 2 = 2

m = 2n = 2(2) = 4

Mary age - 4 years.

Her sister age - 2 years.

Answer 2

Answer 1]

In the figure it is an alternate angle.

2x + 15° = 3x - 10°

x = 15°+ 10° = 25°.

Answer 2] In the attachment