On monday, you run on a treadmill for 1/2 hour at x miles per hour. on tuesday, you walk the same distance on the treadmill, at 2 miles per hour slower, and it takes you 3/4 hour. how many miles did you run on the treadmill on monday?

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?

Can someone show me step by step how to do this?

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?