How many kilograms of each type of tea must be used in the blend?

A tea shop owner blends tea that sells for 240 pesos per kilo to another type of tea that sells for 200 pesos per kilo to produce 150 kilos of a mixture that sells for 220 pesos. How many kilograms of each type of tea must be used in the blend?

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Let the amount of the first tea to be mixed is x and the second be y.

==> The cost for the first tea is 240x

==> The cost for the second tea is 200y.

The cost for the mixture is 240x+200y = 220*150

But we know that x+y= 150 ==> y= 150-x

==> 240x + 200(150-x) = 33,000

==> 240x + 30000 - 200x = 33,000

==> 40x = 3000

==> x = 75

==> y= 75

**Then, we should mix 75 kilo of each type of tea.**

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