A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?

A certain shampoo is available in two sizes. A 14.2 - ounce bottle costs $4.98. A 23.7 - ounce bottle costs $6.97. Find the unit price for each size. Then state which size is the better buy based on the unit price.

What is the greatest common factor (GFC) of 16 and 12?

Melissa's class spends 4 5 of an hour reading aloud in groups. Melissa and 5 other students are in one group. How much time is available for each member of Melissa's group to read aloud?

there are 259 English books and 182 math books on Mrs. smith's bookshelf. mr. johnson bookshelf has 62 more English books then Mrs. smith bookshelf. there is 1000 books all together on the two bookshelves, how many math books are there on Mr.

9-x/5=3 what does x equal

Mark can clean his fathers office in 30 minutes his younger sister Lynn can you clean the office in 40 minutes how long will it take the two of them to clean the office

28lbs is what % of 58

Which is greater 78.61 or78.6

What is the length of the hypotenuse of the triangle? Triangle A B C. Side A C is 7 feet and side C B is 4 feet. Hypotenuse A B is unknown. StartRoot 22 EndRoot ft StartRoot 33 EndRoot ft StartRoot 57 EndRoot ft StartRoot 65 EndRoot ft

What is the total after a 10% discount of 346.10