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Please help and show the working out thanks :) The ratio of sand to cement is 7:2. If I have 13kg of sand, how many kg of cement do I need?
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3 votes
Please help and show the working out thanks :)

The ratio of sand to cement is 7:2. If I have 13kg of sand, how many kg of cement do I need?

User Jzhinga
by
6.9k points

2 Answers

2 votes
7:2 = 13:c
7•13=91
2•13=26
7:2=13:26
User Milan Majer
by
7.8k points
4 votes
13 x 7 : 13 x 2
91 : 26
User Josee
by
7.9k points
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