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A ratio of 4 to 5 is equivelant to saying there are "4 of object A's for every 5 object B's". For example, there may be a ratio of 4 to 5 of red and black marbles in a bag. For every 4 red marbles are in the bag, there are 5 black marbles. Therefore, if there were 12 red marbes in a bag, there would be 15 black marbles in the bag. A= object A; B= object B 4A=5B; A=5B/4 or B=4A/5
A good object that will float is a plastic container. It worked for me. Yes a plastic container will work well it worked in my science class.
He will have 13 blue marbles and 10 green marbles.
12 blue marbles
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