Mathematics · Foundation

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RatiosRunning
Bridge scaler. Sand quantity at 36 units. Cement × sand 108 units, Required ratio 60 units. Currently cement × sand is over by 48 units.TUNINGREFERENCE 1 : 136 UNITSPROPORTIONAL SPAN
t = 0.0s

Cement × sand

108units

Required ratio

60units

36 units

Bridge scaler. Sand quantity at 36 units. Cement × sand 108 units, Required ratio 60 units. Currently cement × sand is over by 48 units.

What has to balancea:b=c:xa : b = c : x

What is happening

You arrive at a concrete mixer on a bridge repair with one bag of cement left.

The mix is coming out weak. It is specified 3 parts cement to 5 parts sand, there are 12 units of cement in the hopper, and the sand feed is set wrong.