Answer:
7 /8
0.875
Step-by-step explanation:
630 red marbles
420 yellow marbles
210 purple marbles
because 1260 x 1/2 = 630, 1260 x 1/3 = 420, 1260 x 1/6 = 210
134 Cookies
you first multiply 8 with 16
then you add six to the product