Answer:
21minutes
Step-by-step explanation:
its 21 minutes because 5x3=15 so 7x3=21
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
1. 5/10
2. 0.54
3. √3 and -1/16????
I think
sorry if I wrong