Proportion 5904

A kilogram of one kind of nuts is sold for 130 CZK. A kilogram of another type of nuts for 250 CZK. In what proportion are the two kinds of nuts mixed in a mixture whose price is CZK 220 per kilogram?

Correct answer:

p =  1:3

Step-by-step explanation:

130p+250 1=220 (1+p) 90p=30 p=30/90=0.3333330.3333=1:3

130p + 250 · 1 = 220 · (1+p)


130·p + 250 · 1 = 220 · (1+p)

90p = 30


p = 30/90 = 0.33333333

p = 1/3 ≈ 0.333333

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