Atrail mix that costs $2.45 per pound is mixed with a trail mix that costs $2.30 per pound. how much of each type of trail mix must be used to have 30 pounds of trail mix that costs $2.35 per pound?

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?