Leah and Colin are selling strawberry lemonade in their neighborhood for s dollars per cup. They decided to set up stands at opposite ends of their street to sell to more people. Leah sold 20 cups of strawberry lemonade at her stand, and she made an additional $15 in tips. Colin sold 30 cups of strawberry lemonade at his stand, and he made an additional $25 in tips.

Nine more than four times a number is the same as one less than twice the number. find the number?

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.