Problema Solution
a retailer wishes to mix rice selling at p40 per kilogram with rice selling at P35 per kilogram so as to make a mixture of 30 kilograms worth P38 per kilogram. How many kilograms of each kind must be used
Answer provided by our tutors
Let
x = kg of the p40 per kg rice
y = kg of the p35 per kg rice
x + y = 30
40x + 35y = 38*30
........
click here to see the system of equations solved for x and y
........
x = 18 kg
y = 12 kg
18 kg of the p40 per kg rice and 12 kg of the p35 per kg rice should be used.