StoryQuest · Mission 051

Mathematics · Foundation

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Live relationshipa:b=c:xa : b = c : x
Bridge scaler. Sand quantity at 36 units. Cement × sand 108 units, Required ratio 60 units. Currently cement × sand is over by 48 units.BRIDGE SCALERTUNINGREFERENCE 1 : 136 UNITSPROPORTIONAL SPAN

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.

Narrative feed

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

The mix 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.