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Lena [83]
3 years ago
8

you make a necklace using blue, purple and green beads in a ratio of 1:1:2. you use a total of 168 beads. How many green beads a

re in the necklace?
Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer:

84

Step-by-step explanation:

Given,

The ratio of blue, purple and green beads in the necklace = 1 : 1 : 2

Let blue beads = x, purple beads = x and green beads = 2x

Where,

x is any positive real number,

So, the total number of beads = x + x + 2x = 4x

According to the question,

4x = 168

x = 42,

Hence, the number of green beads in necklace = 2(42) = 84

vesna_86 [32]3 years ago
3 0
The answer is 84 green beads.

To get that you need to do 168 divide by 4 (four because I look at it like this 1:1:2 is like 1:1:1:1) That answer is 4 then double that and you get 84.
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