Question

7. Mrs Lee has 7 m of cloth. m She wants to make 3 curtains with the cloth. Each curtain needs 185 cm of cloth. (a) What is the total length of cloth she needs to make the curtains? (b) Find the length of cloth that will be left over Give your answer in metres and centimetres.​

Answer 1

Answer:

(a) the total length required = 555cm or 5.55m

(b) the remaining cloth length = 145cm or 1.45m

Explanation:

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Answer 2

Given:

Length of cloth: 7m

Number of curtains: 3

Required cloth for each curtain: 185cm

Solution:

1 metre = 100cm

Therefore, 7m = 7 × 100 = 700 cms

1 curtain requires 185 cms cloth

Therefore, 3 curtains will require 3 × 185 = 555 cms = 5 m 55 cms

Answer (a): Mrs. Lee needs 5 m 55 cms of cloth to make 3 curtains

Remaining cloth = 700 - 555 = 145 cm = 1 m 45 cm

Answer (b):  Left over cloth = 1  m 45 cms