Instructions for a chemical procedure state to mix salt, baking soda, and water in a 14:21:15 ratio by mass. How many grams of water would be required to make a mixture that contains 70 grams of salt?

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Asphere has a diameter of 10 in. what is the volume of the sphere?