Bob likes to download songs. Each month he pays a flat fee and then is charged for each song downloaded. In March, he downloaded 7 songs for a total of $10.60. In April, he downloaded 15 songs for $17.00.​

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

If 20% of a number is 35, what is 50% of that number?

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?