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Ratios question - 10 Points?
Simple problem but hard to solve... Well for me anyways LOL.
Currently there are 2715 red balls to 699 blue balls. This is roughly a 39:10 red to blue ball ratio. Assuming now that 6 red balls are added for every 1 blue ball, how many more blue balls need to be added until there is a 4:1 red to blue ball ratio?
1 Answer
- ?Lv 79 years agoFavorite Answer
At the end red balls are 4 times blue ones
2715 + 6b = 4 (699 + b)
after 42 blue balls, red balls added are 252
2715 + 252 = 2964
blue balls are
699 + 42 = 741
red balls to blue balls ratio is 2964/741 = 4
