Answer :
Answer: (a) 8 : 15 (b) 8 : 7
Step-by-step explanation: all marbles is 8+7 = 15
ratio of blue marbles to ALL marbles
8 : 15
ratio of blue marbles to red
8 : 7
Other Questions
Having a positive attitude helps decision making to become a more positive experience. True or False
Having a positive attitude helps decision making to become a more positive experience. True or False