25-02-2017
Mathematics

contestada

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?

Respuesta :

hasanahmad368 hasanahmad368

25-02-2017

13 x 7 : 13 x 2
91 : 26

Answer Link

allie112 allie112

25-02-2017

7:2 = 13:c
7•13=91
2•13=26
7:2=13:26

Answer Link

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