Question

For each 12 mm of coloured fabric Sarah uses to make her curtains, she also uses 2 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form.
HELP ME...

Answer 1

Answer:

5:3

Step-by-step explanation:

The ratio would be 5 : 3

Step-by-step explanation:

Given,

Amount of Coloured fabric = 12 mm,

Amount of white fabric = 2 cm = 20 mm ( ∵ 1 cm = 10 mm )

Thus, the ratio of the amount of white fabric to coloured fabric

=\frac{20}{12}=

12

20

∵ HCF(20, 12) = 4,

Thus, divide both numerator and denominator by 4,

The ratio = \frac{20\div 4}{12\div 4}

12÷4

20÷4

=\frac{5}{3}=

3

5

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