the total of marbles = 16 + 10 +12 =38
A) white : blue = 16/10 = 8/5
B) red : total = 12/38 = 6/19
Step-by-step explanation:
1. find the total of marbles
So when looking for the solutions on a graph, the solution is going to be where the lines intersect. In this case, the two lines intersect at (7,-6), therefore that is your solution.
(0.75+d)*4 is the answer to the question