Word+problem+review

=//**Word Problems Review **//= //Watch the examples and complete the worksheet that follows:// [|Example 1] **
 * How much pure alcohol must be added to 15oz of a 60% solution of rubbing alcohol to change it to a 70% solution?:

**Because of strong headwinds, an airplanes ground speed for the first half of a 2000km trip averaged only 600km/h. What must its ground speed be for the rest of the trip if its to average 720km/h for the entire trip? (ground speed with headwind= air speed-wind speed): [|Example 2] **

**[|Example 3] ** // Click here to try the practice problems //
 * A swimming pool 6m wide and 10m long is to be surrounded by a walk of uniform width. The area of the walk happens to equal the area of the pool. What is the width of the walk? **