In Denisha's school, 0.826 students participated in a sport. If there are one thousand students in Denisha's school, how many participated in a sport?

What line represents the relationship between r and s

I'm marking the brainliest and it's 15 points

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