20 decreased by a number

At the snack bar, 7 hot dogs are sold for every 10 hamburgers sold. At this rate, how many hamburgers will be sold if 63 hot dogs are sold?

Which step brings you closest to getting the variable alone on one side of the equation 16 = 7x-5?

What is the least common multiple of 4 8 10

Bobby drew a scale drawing of a hotel. He used the scale 1 inch : 6 feet. In the drawing, a room I the hotel is 3 inches wide. What is the width of the actual room?

A store sells books for $12 each. In the proportional relationship between x, the number of books purchased, and y, the cost per books in dollars" to "y, the total cost of the books in dollars, the constant of proportionality is 12.

Which expression shows 28 + 35 as the product of their greatest common factor and the sum of two whole numbers with no common factor? A. 7 (6 + 3) B. 9 (4 + 3) C. 7 (4 + 5) D. 9 (2 + 5)

You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

woodland middle school $1,710 on calculators for the 180 students in the school. What is the rate spent per calculator?

Aliyah had some candy to give to her four children. She first took ten pieces for herself and then evenly divided the rest among her children. Each child received two pieces. How many pieces did she start with?

Park two has 12 more benches than Park one. If 2 benches were transferred from Park two to Park one, then Park two would have 2 times more benches than Park one. How many benches were originally there in Park two?