I don't know how to work out this word problem for my math class

A rectangular garden measuring 10 feet by 5 feet is to have a sidewalk that is x feet wide installed all the way around it, increasing the total area to 150 square feet. What is the width, x, of the sidewalk?

3x-4y=-5 y=4x-2 Is (1,2) a solution of the system?

1. Anita has a collection of postage stamps from different countries. She has one book that contains 35 stamps. She has a second book that has 7 stamps on each page.

What is the average of 9,4 and 5

Explain how you would use fraction bars to find the quotient of 10/12 divided by 4/6. What is the quotient?

Is 11.3 meters the same as 113 cm

Area of triangle with apothem of 5

The ratios of boys to girls in a tennis camp is 3:5. If there are 64 campers, how many are girls? A) 24 B) 32 C) 36 D) 40

Rates unite rates and ratios 50 candles in 4 boxes

46. In the word "percent", the "cent" represents what number?