A submarine travels 19 miles in 1/2 hour. Write an equation to find out how long it will take the submarine to travel 57 miles at the same rate. Then find the time.

Which fractions are equivalent to 7 / 28

Boeing plans to increase its prices for Jetliners. With a selling price of $201.5 million and a cost of $190.1 million, what was the approximate percent markup based on cost?

The distance between two cities is 100 miles. what is the number of kilometers between the two cities:

Y=f (x) = - 4^x find f (x) when x=3

4.006 what is the value of 6

3 (x-4) - (x+5) = 2x-11

Jane is making a suit which requires 2 5/8 yards for the jacket and 1 3/4 yards for the skirt. What is the total amount of material she needs? A. 3 1/2 yards B. 3 2/3 yards C. 4 yards D.

Two more than a certain number is 15 less than twice the number

Mario walks his dog once every 8 days in the park, while todd walks his dog once every 14 days. today, both mario and todd walked their dogs in the park. in how many more days will both boys walk their dogs in the park on the same day?

the sum of three numbers is 81. the second number is twice the first, and the third number is six more than the second. find the number