If an original quantity is 12, and the new quantity is 15, what is the percent increase?

The sum of three consecutive natural numbers is 528, find the numbers.

There were 58,389 tickets sold to the panthers football game. adult tickets sold for $30 each and student tickets sold for $24 each. The total dollar amount collected from ticket sales were $1,622,376.

What does the word unreasonable mean

Andrew's math teacher entered the seventh grade students in a math competition there was an enrollment fee of $30 and also an $11 charge for each packet of 10 tests. The total cost was $151. How many tests were purchased?

Use mental math to estimate 4210/6

Zhang Li solves the equation below by first squaring both sides of the equation. - 4=/sqrt{5z+7}-4 = 5z+7 minus, 4, equals, square root of, 5, z, plus, 7, end square root What extraneous solution does Zhang Li obtain?

What is 15/45 simplest form

If 15% of 200 apples or bad how many apples are bad

A hot air balloon holds 2,200 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilograms of helium does the balloon contain, rounded to the nearest tenth of a kilogram?

Find the area of the triangle in square units Pythagorean theorem. A triangle with a base of 9 units and a height of 22 units?