Two brothers, richard and andrew share a sum £30 in the ratio 3:7 how much does each brother get?
2 answers:
Answer:
Richard gets: £9
Andrew gets: £21
Step-by-step explanation:
To get the value of 1 part we have to add the total number of parts (3+7) and then divide them by the sum (30) 30/10 = 3 so we know 1 part is £3
Thus Richard gets: £3*3 = £9
And Andrew gets: £3*7 = £21
7+3 = 10
30/10 = 3
3(3) = 9
7(3) = 21
richard gets 9
andrew gets 21
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