A mixed of purple paint contains 4 teaspoons of red paint and 10 teaspoons of blue paint. To make the same shade of purple paint using 40 teaspoons of blue paint how much red would you need? A.12 B.14 C.16 D.160

Number of  teaspoon of red paint = 16

Step-by-step explanation:

Given:

Mixture contain = 4 teaspoon red paint and 10 teaspoons blue paint

New Mixture = 40 teaspoons blue paint

Find:

Number of  teaspoon of red paint

Computation:

4 teaspoon red paint / 10 teaspoons blue paint = Number of  teaspoon of red paint / 40 teaspoons blue paint

Number of  teaspoon of red paint = 16

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation: