It takes 3 hour 15 minutes to fly from city a to city b at constant speed. Find how long the journey takes if A) the speed is 1×1÷2 times of the original speed and
B) if the speed is three-quarters of the original speed.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Combine the information in the problem and the chart using the average balance method to solve the problem.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?