How much of a perfume that sells for $15 per ounce should be mixed with the previous search for $35 per ounce to make a 3 ounce bottle of perfume that can be sold for $63

let x be the amount of perfume at $15/oz and y be the amount at 35/oz
x + y = 3

rewrite is as x=3-y
15x + 35y = 63

substitute for x into the second equation
15(3 - y) + 35y = 63
45 - 15y + 35y = 63
20y = 18

y = 20/18 = 0.9 oz
x = 3-0.9= 2.1 oz
2.1 oz of $15/oz perfume

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation:

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step-by-step explanation:

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