Easy! Write this as a Ratio?

S

Stacy Levene

New member
To make concrete it takes 8 parts crushed gravel, 7 parts water and 5 parts cement mix. A worker needs to make 220 kg of concrete. How much crushed gravel, water and cement Mix is needed?

HOW WOULD I WRITE THIS AS A RATIO!? I don't think they gave me enough info :(

Please?
 
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