The mean of four numbers is 70. The mean increases to 80 when a fifth number is added. What is the fifth number?

Shana bought sodas and popcorn for the movies. Sodas cost $3 each and popcorn cost $4 per bag. Shana bought 7 things from the concession, all either sodas or bags of popcorn. Shana spent a total of $26.

Vida painted 4 rooms in 16 hours. Each room had 325 square feet of wall space that was painted. At what rate did Vida paint, in square feet per hour?

The Australian dragonfly can travel 18 miles in 30 minutes how far can the dragonfly travel in 1 minute

Jacob and his team plays third in this years Ultimate frisbee tournament the o official frisbee be used in the tournament had a diameter of 10 inches what was the approximate circumference of the frisbee

How do you multiple 783 by 42 in area model

Are 5/3 and 1 2/3 equivalent?

Write y = 3/5 x + 3 in standard form using integers

How many times can 10go in to 2,135,468

Explain how to use the missing pieces strategy to compare two fractions. include a diagram with your explanation.

Hayden mixed 6 cups of blue paint with 8 cups of yellow paint to make green paint. To represent the relationship between the number of cups of blue paint, b, and the number of cups of yellow paint, y, needed to make the same shade of green paint,