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daser333 [38]
3 years ago
14

Joe used a coupon that allowed him to stay five nights at the pleasant dreams hotel for a total of $410. If he had not used the

coupon, his room would have cost $10 more each night. How much would Joe have paid for each night without the coupon
Mathematics
2 answers:
larisa [96]3 years ago
8 0
Answer) $92 A night
Explanation) First you would add $50 to the initial $410 making the total for all 5 nights without the coupon $460. You would then divide $460 by 5 since he stayed for 5 nights getting your answer of $92 a night.
postnew [5]3 years ago
7 0

Answer:

$92

Step-by-step explanation:

First, you need to divide the expense between the 5 nights. So 410/5=82. This is still with the coupon though. You need to add 10. When you do, you get $92/night. So, for five nights without the coupon, he would have spent $460 for the entire trip. Hope this Helps!

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Answer:

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Let us assume that, x liters of the 5% hydrochloric acid and y liters of the 45% hydrochloric acid solutions are combined.

As Rajan need total of 1 liter of solution, so

x+y=1

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As Rajan needs 5% hydrochloric acid and 45% hydrochloric acid to make a 1 liter batch of 15% hydrochloric acid, hence acid content of the mixture of two acids will be same as of the final one, so

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Putting value of x from equation 1 in equation 2,

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Putting the value of y in equation 1,

x=1-0.25=0.75

Therefore, Rajan must use 0.75 liters of 5% hydrochloric acid solution and 0.25 liters of 45% hydrochloric acid solution.

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