joyoung joyoung

25-08-2021
Mathematics

contestada

The ratio for mixing mortar using sand, lime and cement is 3:2:1.
How many parts of each do you need to mix 42 parts in total?
sand
101
lime
cement

Respuesta :

cwrw238 cwrw238

25-08-2021

Answer:

Sand: 21 parts.

Lime : 14 parts.

Cement: 7 parts.

Step-by-step explanation:

The number of parts is 3 + 2 + 1 = 6.

So for 42 parts we need:

Sand: 3/6 * 42 = 1/2 * 42 = 21.

Lime: 2/6 * 42 = 1/3 * 42 = 14,

Cement: 1/6 * 42 = 7.

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