Savings and retirement

The older sibling has saved 44% more euros than the youngest, which represents 22 euros. How many euros older brother has saved ?

Correct result:

x =  72 eur


x = (1+44/100)y
x-y = 22

x = (1+44/100)•y
x-y = 22

100x-144y = 0
x-y = 22

x = 72
y = 50

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