Exam 3: Solving Equations and Inequalities

Solve the problem. -During one year, the Green's real estate bill included $303 for city services. The fire department received 14% of that amount. How much money went to the fire department?

Graph the inequality. -

Determine whether the given number is a solution of the inequality. -x > -4, 14

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -What value of K makes this equation equivalent to x = 3?

Solve the problem. -A high school graduating class is made up of 499 students. There are 147 more girls than boys. How many boys are in the class?

Evaluate the formula for the given values of the variables. -d = rt; r = 57 miles per hour, t = 5 hours

Solve the problem. -A square plywood platform has a perimeter which is 9 times the length of a side, decreased by 20. Find the length of a side.

Solve the problem. -During one year, the Larson's real estate bill included $429 for local schools. Of this amount, $210 went to the high school district. What percent did the Larsons pay to the high school district? (Round answer to two decimal Places.)

Solve the problem. Round to the nearest hundredth, if necessary. -What number is 4000% of 429?

Solve the problem. -Jennifer's annual salary increased from $20,000 to $44,000 over the last five years. Find the percent increase in her salary during this time period. Round to the nearest tenth of a percent.

Solve using the multiplication principle. -3.1t = -27.9

Solve. -A 369-foot rope is cut into three pieces. The second piece is twice as long as the first. The third piece is 3 times as long as the second. How long is each piece of rope?

Determine whether the given number is a solution of the inequality. -

Solve. -7r + 8 = 64

Solve using the addition and multiplication principles. -0.6x + 15 + x > 2x + 11 - 0.5x

Solve. -5.3(x + 3.7) - 7.3 = 8(x + 1) - 10

Solve. -5x - 1 = 77 - 8x

Solve. --6a + 3 + 7a = 5 - 28

Solve using the multiplication principle. - = 21

Solve. Clear fractions first. - - 25 = -15