Explain how to find 40 x 50 using mental math

What's 6.82 divided by 3.1

What's the answer to 12X = - 36

What percent was the server's tip if the customer left $1.75 for a $12.50 meal.

Three numbers between 0.33 and 0.34

In one day Annie traveled 5 times the sum of the number of hours brian traveled an 2. together they traveled 20 hours. find the number of hours each person traveled

Using number lines 80 is 25% of what number

At 7:30 a. m., a bus left Town P for Town Q at a speed of 60 kilometers per hour. 15 minutes later, a car left Town Q and headed for Town P. The car reached Town P at 10:45 a. m. The bus reached Town Q at noon.

The fundamental theorem of Arithmetic The system (E) : The set of all even positive integers The system (T) : all positive integers congruent to 1 mod 3 1. List the primes in E between 1 and 20. 2. List the primes in E between 21 and 40. 3.

Suppose you are getting new inground pool at your house. The pool is going to be a rectangle that is 30 feet by 15 feet. The outside border of the deck around the pool will also be a rectangle, which is 44 feet by 28 feet.

There are 12 team members. They each ate 3 slices of pizza. Each pizza was cut into 8 slices. What fraction of the pizza did the team eat altogether?