Question

If an angle is 20 degrees less than thrice its supplement, find the ratio of the angle to its supplement. Thanks

Answer 1

x = 3(180-x)-20
x = 130

so, the ratio you want is 130/50

Answer 2

A segment that is 150 cm long is divided into three parts in the ratio 2 : 3 : 5 : how long is each part?