If x + y + z = 360 and x : y : z = 4 : 3 : 2, then what is the value of y + z − x?
Answer & explanation
Correct answer: option 4
If x + y + z = 360
x : y : z = 4 : 3 : 2,
then what is the value of y + z − x
Let the three numbers = 4m , 3m and 2m
according to he question,
4m + 3m + 2m = 360
9m = 360
m = 40
y + z − x = 40 × 3 + 40 × 2 - 40 × 4 = 200 - 160 = 40