820 round to the nearest hundred

Rob works for $8.00 per hour. His regular hours are 40 hours per week and he gets time-and-a-half for overtime. One week he works 50 hours. He wants to calculate his pay.

A real estate agent is paid $550 a week plus $100 for every house she is advertising for sale. Her weekly pay is given by the formula: P=550+100h. If she was paid $1750 last week, how many houses was she advertising?

thomas went to a hot dog cart at a baseball game. hot dogs are $2.50 morr then a soda. he purchased 2 hot dogs and 1 soda. he spent $ 20. how much is one hot dog?

One serving of a certain brand of yogurt contains 6g of fat. The low-fat version contains 39.75% less fat per serving. How many grams of fat does one serving the low-fat yogurt contain?

Which is an example of the associative property? A. 3 • (x + 5) = 3 • x + 15 B. x + 5 = 5 + x C. (x + 3) + 7 = x + (3 + 7) D. If x = a, and a = 7, then x = 7.

Solve the equation y^2 - 11y = - 28.

Liz is making beaded necklaces. for each necklace, she uses 27 spacers, plus 5 beads per inch of necklace length. write the rule for x in terms of y.

A rectangular room measures 14 feet by 144 inches. Edgar said the area of the room is 2,016 square feet. Explain his mistake, then find the area in square feet.

If a sales person makes 6% commission, how much would they make from a $1,800 sale?

Maude evaluated the expression (32) - 3. 1. 32 • (-3) 2. 36 3. 729 Analyze Maude's work. Is she correct? If not, what was her mistake? Yes, she is correct. No, she should have added the exponents instead of multiplying.