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10 votes
Divide 55 in a ratio 3 : 7
Need help please

User Waxhaw
by
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2 Answers

9 votes

Answer:

16.5 : 38.5

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

User WorkaroundNewbie
by
5.3k points
9 votes
3+7=10
55/10=5.5
5.5 x 3=16.5
5.5 x 7=38.5
16.5 : 38.5
User Deepwell
by
5.2k points