Solve using the addition principle. Graph and write set-builder notation for the answer.10n – 9 > 9n – 21

Solve using the multiplication principle.-3x < -21

Find decimal notation.36.3%

Find the LCM of the expressions.48×3, 8×2

Translate to a proportion and solve. 55.5% of 2600 is what?

Solve the problem.Students at Maple School earned $348 selling candles. They want to make $2000 for a club trip. What percent of their goal has been reached?

Solve.The price of a shirt was reduced from $92.80 to $67.28 . What was the percent of decrease in the price?

Determine whether the two pairs of numbers are proportional.80, 21 and 130, 30

Solve the problem.A sweater costs $89.43. If the sales tax rate is 4.3%, how much tax is charged? Round your answer to the nearest cent.

Find fraction notation for the percent notation in the problem.The interest rate on a car loan was 7.02%.