A small pool starts with 13,500 gallons of water in it. Curtis decides to drain the pool and notices that after 5 hours the volume has decreased by 23%.

How many gallons has the volume decreased in 5 hours?
What is the volume of the pool after 5 hours?
3,105 gallons
16,605 gallons
10,395 gallons
The pool will be empty in 5 hours.

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)