Determine 5192

Determine the numbers x and y so that half of the number x is 30% of the number and 60% of y is 90.

Correct answer:

x =  90
y =  150

Step-by-step explanation:

x/2 = 30/100 y
60/100 y = 90

x/2 = 30/100•y
60/100•y = 90

50x-30y = 0
60y = 9000

x = 90
y = 150

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