A bag of marbles has 6 blue marbles, 5 red marbles and 4 green marbles. What is the ratio probability of pulling a red or green marble from the bag ? What is the percent proportion of pulling a red or green marble from the bag ?

These are the answers

1. 9:15

2. 60%

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.