# math

black tea at \$2.40 per kg is mixed with green tea at \$3.20 per kg in the ratio 1:3 calculate the weight of each type of tea in 40 kg of the mixture and calculate the price per kg of the mixture

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1. clearly the black tea is 1/4 of the total

The price p is thus

10(2.40)+30(3.20) = 40p

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