Today, Richard ate 7 fewer than twice the number of candies his brother Carlos ate
yesterday. If Carlos ate 5 more candies to-
day than he did yesterday, how many can-
dies did Carlos eat today if Richard ate 13
candies today?
A. 7
B. 10
C. 13
D. 15
E. 20

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture

You coordinate volunteers for litter cleanup in local parks. your spreadsheet lists drivers and the number of seat belts in each driver’s car. the spreadsheet calculates the number of drivers (d) and the total number of seat belts (s). you want to know the maximum number of volunteers, besides drivers, that can be transported to the park in a single trip given that each person must have a seat belt of their own.