When nikki and kara worked together last year, they painted a fence in 8 hours. the previous year, nikki painted the fence by herself. the year before that, kara painted it by herself, but it took 12 hours longer. how long did it take kara to paint the fence? a. 8 hoursb. 24 hoursc. 12 hoursd. 20 hours

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.