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?

What does X-5,4-2 mean

What is the median of the dot plot 10 20 30 40 50 60 70

How do you solve 5 4/9 / 2 4/7?

Some children are at a school camp. 5/8 of them are girls. If there are 40 girls, how many girls than boys are there

How many four and a half inch strips can be made from 45 inches of shipping tape

john borrowed $5 dollars per month from his mom to pay for his art supplies at the end of the course he owed his mom $65 dollars how many did john have to buy supplies for the art class?

Write the following numbers in decimal form. (Note: Some of these numbers have been rounded.) The population of China in 2014 was 1.354 * 10^9 people.

Burning one gallon of gasoline in a car releases approximately 20 pounds of CO2 into the atmosphere. One person drives 60,000 miles in a car that averages 30 miles per gallon (mpg), while another person drives 60,000 miles in a car that averages 20

A 5-foot piece of linen costs $29.40. what is the price per inch?

2x3y + 8xy - 4x2y - 16y how to I rewrite by taking out the GCF?