A man earns #480 a month. He spends #390 every month and saves the rest. Find the ratio of (a) his monthly salary to his expenditure, (a) his savings to his salary, (c) his savings to his expenditure.
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Step-by-step explanation:
monthly salary = 480. expenditure=390
savings= 480-390=90
a) 480:390= 48:39=16:13
b) 90:480= 3:16
c) 90:390= 9:39 = 3:13
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