Abby gave 60% of her toys to a local charity. if this represents 18 of abby's toys, how many toys does abby still have?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

5/4 gallons of water fill 5/6 of a bucket how many gallons of water fill the entire bucket