Mo's farm stand sold a total of 165 pounds of apples and peaches. she sold apples for $1.75 per pound and peaches for $2.50 per pound. if she made $337.50, how many pounds of peaches did she sell?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with