How can you express (15 + 30) as a multiple of a sum of whole numbers with no common factor? a)2 × (7.5 + 15) b)3 × (5 + 10) c)5 × (3 + 6) d)15 × (1 + 2)

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asked Apr 26, 2018 72.8k views

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Horkrine · Answer 1 · 2018-05-03T08:37:50+0000

a) has a non-whole number so cannot be the answer
b) and c) have common factors (5 and 3 respectively)
d) is correct since 1 and 2 have no common factors.

How can you express (15 + 30) as a multiple of a sum of whole numbers with no common factor? a)2 × (7.5 + 15) b)3 × (5 + 10) c)5 × (3 + 6) d)15 × (1 + 2)

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