In the three warehouses, a total of 70 tons of grain was stored. In the second warehouse was stored 8.5t less and in the third 3.5t more than in the first. How many tons of grain was stored in each warehouse?

Correct answer:

a =  25 t
b =  16.5 t
c =  28.5 t

Step-by-step explanation:

b = a - 8.5
c = a + 3.5

a+b+c = 70
a-b = 8.5
a-c = -3.5

a = 25
b = 33/2 = 16.5
c = 57/2 = 28.5

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