Paul sells two types of sweets at school. One cost R0,50 and the other cost R1,5. If she sells 300 sweets in total and makes R200 revenue. How much money was collected from the R0.50 sweets and how much was collected from the R1,50 sweets. How much money will each sweet generate out of the R200 made? Four times a number added by two equals the quotient of two and four subtracted by three. Find the number.