A vehicle originally travelled at 30 kph. Now its speed is increased to 10 kph more than twice its original speed. What is the speed now?

D=Rt for D, if T=5 hours and R=65 mph

Brenda is asked to make 3 quarts of apple cider. The recipe that she reads for how to make apple cider states that she should use 10 apples to make 2 quarts. How many apples does she need to make 3 quarts of apple cider?

If you were to solve following system by substitution what would be the best variable to solve for and from what equation? 2x+6y=9. 3x-12y=15

What is the system of measurement used most in the United States?

How do you turn two thirds into a decimal

Simplify the expression completely. (33/2 - 31/2) - 2

Write fraction as a decimal 7/11

Jane paid a total of $79 for a pair of shoes and 2 hats. The price of each hat was $12. Use rounding toestimate how much Jane paid for the pair of shoes.

Two redwood trees are the same height. A third tree's height is x feet. The first tree is 50 feet more than three times the height of the third tree. The second tree is 100 feet taller than twice the height of the third tree.

Express 400 miles in 6 hours as a ratio