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irina [24]
2 years ago
12

the ratio of red to grern to blue sweets in a packet is 2:3:1. if there are 18 green sweets, how many blue sweets are there?? ​

Mathematics
1 answer:
timurjin [86]2 years ago
3 0
If the ratio is 2:3:1

You are looking for y in x:18:y

To get from 2:3:1 you multiply by 3 so your new ratio would be

6:18:3 so there would be 3 blue sweets
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7 0
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Read 2 more answers
Which of the following is the equation of a line perpendicular to the line, , passing through the point (3,9)?
julsineya [31]
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Now we use y = mx + b....slope(m) = 2/3....(3,9)...x = 3 and y = 9.
Time to sub...we r looking for b, the y intercept.

9 = 2/3(3) + b
9 = 2 + b
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y = 2/3x + 7....multiply by common denominator of 3 to get rid of fractions
3y = 2x + 21...subtract 2x from both sides
-2x + 3y = 21....<== ur answer...normally, I would have multiplied this by -1 to make x positive...but that is not an answer choice
5 0
3 years ago
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