The city has 78 buses. 33% of them are new and cause less pollution. If the city replaces 15 old buses with new ones, what percent of the buses will be new?

3 billion is _times larger than 3 million

A 2-pound bag of sugar contains 227 one-teaspoon servings and costs $2.49. A batch of muffins uses 3/4 cup of sugar.

Round each decimal to the underlined place value 78.3169

Write an algebraic expression for the following: the difference of 8 times a number and 10

A new theater is being built for the city ballet. The balcony has 150 seats. The floor has 15 rows with x seats in each row. the number of people in the theater must be under 360 to meet fire safety regulations.

What is 2 plus 2 plus 2 plus 2

Which binomial is equivalent to 3 (x - 1) - 2 (x - 3) ?

Evaluate ab - cd = a = 5, b = 3, c = 4, d = 2

To serve 1 person at a local restaurant, it takes 10 minutes. To serve 5 people, it takes 18 minutes. Write and solve an equation to find the number of minutes it will take to serve a party of 8

If the ratio is of marbles is 2:3 and 2 represents green marbles, 3 represents yellow marbles what percent of marbles of are green?