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Sagot :
2:3=?:12
2:3=2/3
2 ?
----- = -------
3 12
Cross multiply
2x12=24
3x?=24
24/3=8
There are 8 girls.
2:3=2/3
2 ?
----- = -------
3 12
Cross multiply
2x12=24
3x?=24
24/3=8
There are 8 girls.
Steps:
1. Do a proportion
2/3 times x/12
2. Do 12 times 2=24
3. Divide 24 by 3
4. Your answer is 8 girls
Or you could do it this way
Steps:
1. You could have just multiplied the 2 by a 4 to get 8.12 boys divided by 3 boys is 4. That means you multiple the two by 4 to get the girls.
1. Do a proportion
2/3 times x/12
2. Do 12 times 2=24
3. Divide 24 by 3
4. Your answer is 8 girls
Or you could do it this way
Steps:
1. You could have just multiplied the 2 by a 4 to get 8.12 boys divided by 3 boys is 4. That means you multiple the two by 4 to get the girls.
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