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Ivahew [28]
2 years ago
15

2. Sarah has some blue marbles, twice as many red marbles as blue, and 8 yellow marbles. If she has a total of 32 marbles, how

Mathematics
1 answer:
vovangra [49]2 years ago
7 0

Given:

Number of  blue marbles, twice as many red marbles as blue, and 8 yellow marbles.

She has a total of 32 marbles.

To find:

The number of red marbles.

Solution:

Let number of blue marbles be x.

Then, number of red marbles = 2x

Number of yellow marbles = 8

Total number of marbles = 32

x+2x+8=32

3x=32-8

3x=24

x=8

Now,

Number of red marbles =2(8)=16

Therefore, there are 16 red marbles.

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