# math

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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?

• math -

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
= 63-27
= 36

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