A box contained blue and red beads. 3/5 of the blue beads and 1/2 of the red beads were used to make a purse .If 20 beads of each colour were left, what fraction of the beads in the box were used to make the purse Express in fractional form
Answers
In a box, 3/5 of the beads are blue. The rest are red and blue beads. There are twice as many blue beads as red beads. There are 60 more red beads that green beads. What is the total number of blue and red beads?
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2 Answers

Terry Darwin, Self-employed Sole Trader (1991-present)
Answered 10 months ago · Author has 7K answers and 2.4M answer views
In a box, 3/5 of the beads are blue. The rest are red and blue beads. There are twice as many blue beads as red beads. There are 60 more red beads that green beads. What is the total number of blue and red beads?
Going by a quick inspection, it looks like you need to look at it in thirtieths rather than fifths.
18/30 are blue
12/30 are red or blue (not red AND blue as the question wouldn’t make sense).
Of that 12/30, 9/30 are red, so 3/30 are green.
The difference between 12/30 and 3/30 is 60 green, so 9/30 is 60.
18/30 are blue
9/30 are red
120 + 60 = 180 total for red and blue.
Answer:
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