2 years ago

Divide 55 in a ratio 3 : 7 Need help please

Mathematics

2 answers:

Alex Ar [27]2 years ago

3 0

3+7=10
55/10=5.5
5.5 x 3=16.5
5.5 x 7=38.5
16.5 : 38.5

Naily [24]2 years ago

3 0

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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