tiaosullivan4 tiaosullivan4

01-06-2020
Mathematics

contestada

480kg of concrete mix. sand and gravel in the ratio 1:3:4

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Charmber06 Charmber06

01-06-2020

Answer:

Step-by-step explanation:

1+3+4 = 8

480 / 8 = 60

60 x 1 = 60 (concrete)

60 x 3 = 180 (sand)

60 x 4 = 240 (gravel)

60:180:240

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