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bogdanovich [222]
3 years ago
9

The ratio of men to women to children at a concert was 3:5:2. If there were 360 more adults than children, how many people were

at the concert?
Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0
The question narrows the groups down from 3 groups with men, women and children to 2 groups with adults and children. Combine the ratios of the men and the women to children to create this new ratio: (3+5):2 = 8:2. You can then simplify it to 4:1.

Let x be the number of children.

4:1 = (x+360) : x

Cross-multiply the two ratios to get the expression below, simplify and solve for x:

x + 360 = 4x
360 = 4x - x
360 = 3x
x = \frac{360}{3}
x = 120

Since there are 120 children, simply add the number of adults (360 more than this value as mentioned before) and you have your final answer:

total = 120 + (360 + 120)
total = 600

Hope this helped :)
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