How do you solve a monomials when there is a number in front of the parentheses

On Monday it snowed a total of 15 inches. on Tuesday and Wednesday it snowed an additional 4 1/2 inches and 6 3/4 inches respectively. a weather forecaster says that over the last 3 days it snowed 2 1/2 feet. is this a valid claim?

The perimeter of a rectangle garden is 35 feet. The Length of the garden is 1 foot more than 2 times its width. Write an equation to represent the perimiter of the garden in terms of its width.

There are 5.816x10 to the power of 4 spectators in a stadium watching a football game. in a theatre there are 1,150 people watching a concert. which venue has more people? by how many people?

1) Miss Kelley and Mr. Peabody have 25 and 36 children in their classrooms, respectively. The ratio of boys to girls in Miss Kelley's classroom is 3:2 and the ratio of girls to all the children in Mr. Peabody's classroom is 1:3.

What is the GCF of 42 and 48 24. 48. 1=24. 1=48. 2=48. 2=96.

Alejandro has 5 7/8 pizzas left over from a party. Is 1/4 of a pizza is a serving how many servings does Alejandro still have left?

Simplify 5 (R + 2) - 6. A. 5R + 4 B. 5R - 4 C. 5R - 6

Meg started her trip with 11 1/2 gallons of gas in her car's tank. She bought an additional 6 4/5 gallons on her trip and arrived back home with 3 3/10 gallons left. How much gas did she use on the trip?

Two buses leave the same station, at the same time, traveling in the same direction. One bus is traveling at a rate of 32 miles per hour, while the second bus is traveling at a rate of 38 miles per hour.

Which expression is equivalent to 2r (3s-5) ? ... A. 5r-7s B. 6rs + 10r C. 2r (3s-5) D. 6rs-10r