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.