A mixture of purple paint contains 6 teaspoons of red paint and 15 teaspoons of blue paint. To make 63 teaspoons of purple paint, how much blue paint would we need? A. 12 tsp
B. 18 tsp
C. 30 tsp
D. 45 tsp

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?