# Collecting

For the first week of material collection events are picked up at the school 850 kg of paper and 305 kg of rags which represented 55% of total collection for 14 days. How many kilograms of secondary raw materials were handed over totally?

Result

x =  2100 kg

#### Solution:

850+305 = 0.55 x

0.55x = 1155

x = 2100

Calculated by our simple equation calculator.

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Math student
There is no real answer? ^_^

#### To solve this example are needed these knowledge from mathematics:

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