math
posted by tyramichy .
the sale of flower by alin,izzati and damia are in the ratio 3:9:7.the difference between the sales by alin and dania is rm 36.how much did izzati get from her sales?

let their sales be 3x, 9x, and 7x
7x  3x = 36
4x = 36
x = 9
sales:
alin = 27
izzati = 81
damia = 63
check:
difference between alin and damia
= 6327
= 36