How do you work out the prince of a gallon of gas dropped from the summer high price of $3.50 to the winter low price of $2.87. By what percentage was the price of gas reduced? How do you get 4.50 %?

Mary made 1/8 of a batch of cookies in 1/10 pf an hour. How much time will she need to make 1 full batch of cookies?

Median of 58,67,63,59,53,51,65,52,54,56,55,58

A chessboard has 64 squares at a chess tournament 84 chessboards were used how many squares are there on 85 chessboards

what is the smallest value of N that will make each number rational from this equation square root of 76+n and square root of 2n+26

Which expression represents how many years are in x months? 12x

A veterinary researcher takes an SRS of 60 horses presenting with colic. The average age of the 60 horses with colic is 12 years. The average age of horses seen at the veterinary clinic was determined to be 10 years.

Which ordered pair is the solution to y - x = 3 and 2x + y = 9?

Sally is interested in taking a job in a city which she's not familier with the cost of living. She is especially concerned about the cost of housing and is interested in the average cost of a three bedroom home.

A skating rink charges $0.75 to rent skates and $1.25 per hour to skate. How many hours did Penny skate if she was charged $4.50?

Simplify 1/3 12x - 6 A. - 2x-1 B.-2x-8 C.-x+4 D. 3x+10 E. 4x-2