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primary 6 | Maths
| Measurement
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Date Posted: 5 years ago
Views: 314
rope 1
nos. of 1.3 m: 1u
total nos. = 1u + 1
length
1.3 x 1u + 0.25 = 1.3u + 0.25
rope 2
total nos. = 1u + 1 + 12 = 1u + 13
nos. of 0.8 m: 1u + 12
length
0.8 x (1u+12) + 0.65 = 0.8u + 10.25
2 ropes same length
1.3u + 0.25 = 0.8u + 10.25
1u = 20
length of each rope is 26.25 m
.
.
.
nos. of 1.3 m: 1u
total nos. = 1u + 1
length
1.3 x 1u + 0.25 = 1.3u + 0.25
rope 2
total nos. = 1u + 1 + 12 = 1u + 13
nos. of 0.8 m: 1u + 12
length
0.8 x (1u+12) + 0.65 = 0.8u + 10.25
2 ropes same length
1.3u + 0.25 = 0.8u + 10.25
1u = 20
length of each rope is 26.25 m
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.
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