Achemist needs a 70% solution of tannic acid. how much distilled water must he add to 5 gallons of a 90% solution of acid to obtain the 70% solution?

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

Find the average rate of change for the given function drom x=1 to x=2