the angle of a quadrilateral are in the ratio 4:5:3:8. find the measure of each angle

Answer 1

let the angles be
4x , 5x, 3x , and 8x

you know their sum is 360°

so 4x+5x+3x+8x= 360
take it from there

Answer 2

Julia studied math 3 1/3 hours during the 4 days before her last test. what was the average amount of time she studied each day?