Erina has a bag that starts with 50 marbles in it: 10 green marbles and 40 purple marbles. She wants to increase the ratio of gr een to purple marbles by adding some more marbles to the bag. Which of the following additions would increase this ratio?
1 answer:
Answer:
I. 3 green and 1 purple
II. 1 green and 3 purple
III. 3 green and 3 purple
All can be added
Step-by-step explanation:
Initial ratio is green : purple = 10 : 40
= 1 : 4
If we add more of green marbles and purple marbles to the initial one, there will definitely be an increase in the ratio
For instance,
I. 3 green and 1 purple
II. 1 green and 3 purple
III. 3 green and 3 purple
All of them will cause and increase in the ratio.
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