Divide 55 in a ratio 3 : 7
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2 answers:
3+7=10
55/10=5.5
5.5 x 3=16.5
5.5 x 7=38.5
16.5 : 38.5
Answer:
16.5 : 38.5
Step-by-step explanation:
sum the parts of the ratio, 3 + 7 = 10 parts
Divide the amount by 10 to find the value of one part of the ratio.
55 ÷ 10 = 5.5 ← value of 1 part of the ratio, then
3 parts = 3 × 5.5 = 16.5
7 parts = 7 × 5.5 = 38.5
55 in the ratio 3 : 7 is 16.5 : 38.5
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