1. Find the sum of three consecutive integers if the first is z.
2. A rectangular piece of land is to be fenced. The length of the land is 70 feet more than its width. If the width is x feet, express the total amount of fencing needed in terms of x.
3. One number is 5 more than twice a second number. If the second number is y, what is the other number in terms of y?
4. The sum of 21 and twice a number is -19. Find the number.
5. Find 35% of $20.
6. What percent of 45 is 20?
7. 22 is 5.5% of what number?
8. Micah's company announced a 1.5% raise for everyone this year. If Micah's salary was $30,000 a year, what would be Micah's new salary?
9. Mira's company announced a 2.5% raise for everyone this year. If Mira's new salary is $40,000 a year, what was Mira's old salary?
10. The width of a rectangle is 10 feet less than half of its length. If all four sides of the rectangle add up to 52 feet, find the length and the width of this rectangle.
11. An isosceles triangle has exactly two equal sides. So we can use x to represent each of these two sides. If the third side of the triangle is 5 feet less than 6 times x, express the length of the third side in terms of x.
12. Two cars leave Chicago, one traveling east and the other west. After 4 hours they are 492 miles apart. If one car is traveling 65 mph, find the speed of the other car.