# For repair of school brought 900 pieces of the white and red bricks identical on weight. The mass of all red bricks of 1900 kg, and white - 1700 kg. Find quantity of red and white bricks separately.

Boroduhin

338

1900=1700=3600 kg weigh all bricks 3600:900=4 mass of 1 brick of 1900:4=475 kg weigh krasn. bricks of 1700:4=425 kg weigh is white. bricks

193

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