A worker requires 8 tanks of crude oil and petrol to get a work done. He gains 5000 Ghana cedis per tank of crude oil used and 3000 Ghana cedis per petrol used for any
work done. To finish the work he further requires 10 tanks by combining 2 tanks of
crude oil and a tank of petrol What is the maximum profit he can make?​

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?