Devan spent 1/4 of her paycheck at the mall. she spent 1/2 of that money on shoes. what fraction of her total paycheck did she spend on shoes?

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?

W-16=-12 solve each one step equation plz

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.