3. A ribbon 10 cm 5 mm long is to be divided in the ratio 1: 4. Find the length of each part.
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3. A ribbon 10 cm 5 mm long is to be divided in the ratio 1: 4. Find the length of each part.
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Answer:
Step-by-step explanation:
Answer: 2.1cm, 8.4cm
Step-by-step explanation:
Length of the ribbon = 10cm 5 mm
= 10.5cm
Given ratio = 1:4
x+4x = 10.5
5x = 10.5
x = 10.5/5
= 2.1
Length of the two parts ;
x = 2.1 cm or 2cm 1 mm
4x = 2.1×4 = 8.4cm or 8cm 4mm
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