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hichkok12 [17]
3 years ago
5

A sweater is on sale for 22.50 if the price represents a 45% what is the selling price

Mathematics
1 answer:
oee [108]3 years ago
4 0
The answer $32.62........
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how many liters of 40% oil dressing should be mixed with 4 liters of a dressing that is 25% oil to get a dressing that is 30% oi
Ronch [10]
Volume of first oil = A, volume of second oil = B, volume of mixture = M
A = ?, B = 4l, M = A + B

40%A + 25%B = 30%M
40%A + 25%4l = 30%(A+4l)
<span>40%A + 25%4l = 30%A + 30%4l
40A + 100l = 30A + 120l
40A - 30 A = 120l - 100l
10A = 20l
A = 2l
</span>
Answer: 2 litres of 40% oil dressing.

Also note: That's an approximation, because the volumes are not strictly additive. For example: mixing 50ml pure ethanol with 50ml water will give you about 95ml of mixture. To get an accurate answer, you'd have to measure the volume of the final mixture and then divide your total oil content by that<span>.</span>
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Step-by-step explanation:

A 55ttty65t78with city council spokeswoman said that in August

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Use &lt;, &gt;, or = to compare these numbers. 3.08m and 3.8m
dolphi86 [110]
This will be
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Read 2 more answers
Any help, please! <br> I dont understand
frutty [35]
The answer would be 40% :)
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Convert the improper fraction 35/8 into a mixed number
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