A merchant imported a batch of 80 porcelain vases for $4,800. Upon receiving the batch, he found 5 vases to be broken and threw them away. He sold 4/5 of the remaining vases at a profit of 40% and the rest at a loss of 10% on his cost price based on the 80 vases. Find his overall profit or loss as a percentage of his cost price based on the 80 vases.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

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?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders