The royal fruit company produces two types of fruit drinks. the first type is 65% pure fruit juice, and the second type is 90% pure fruit juice. the company is attempting to produce a fruit drink that contains 80% pure fruit juice. how many pints of each of the two existing types of drink must be used to make 120 pints of a mixture that is 80% pure fruit juice?

The Royal Fruit Company produces two types of fruit drinks. The first type is 25% pure fruit juice, and the second type is 75% pure fruit juice.The company is attempting to produce a fruit drink that contains 35% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 100 pints of a mixture that is 35% pure fruit juice?
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let x=pints of 25% pure fruit juice
100-x=pints of 75% pure fruit juice
25%x+75%(100-x)=35%(100)