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Tony cut a piece of string 90 cm long into three in the ratio of 2:5:3.What is the length of the medium piece?

a. 18cm b. 24cm c. 27cm d. 45cm

Respuesta :

Answer:

D

Step-by-step explanation:

We know the ratio of the cut string is 2 : 5 : 3. If we add 2, 5, and 3 together, we get 10. We can do 90 ÷ 10 = 9. Each number in the ratio should be multiplied by 9 to find the actual length after it is cut.

Left piece : 2 x 9 = 18 cm

Middle piece : 5 x 9 = 45 cm

Right piece : 3 x 9 = 27 cm

D is the correct answer.

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