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Mars2501 [29]
2 years ago
5

A store is having a sale where all shoes are discounted by 20%. Diego has a coupon for $3 off of the regular price for one pair

of shoes. The store first applies the coupon and then takes 20% off of the reduced price. If Diego pays $18.40 for a pair of shoes, what was their original price before the sale and without the coupon?
Mathematics
1 answer:
Romashka [77]2 years ago
7 0

Answer:

26.00

Step-by-step explanation:

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Given f(x) = –2 – 1, find f(5).
sveta [45]
-2 - 1 = -3
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3 years ago
HELP ME PLEASE!
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

26% is (26-20)/(50-20) = 6/30 = 1/5 of the way between 20% and 50%. That means 1/5 of the solution is 50% acid.

50% acid: 1/5 · 100 mL = 20 mL

20% acid: 100 mL -20 mL = 80 mL

Delbert must mix 80 mL of 20% acid and 20 mL of 50% acid.

_____

Maybe you'd like to see an equation. Let x represent the amount of 50% acid required. Then 100-x is the amount of 20% acid needed.  The amount of acid in the mix is ...

  0.50(x) +0.20(100 -x) = 0.26(100)

  (0.50 -0.20)x = (0.26 -0.20)100 . . . . subtract 0.20(100)

  x = (0.26 -0.20)/(0.50 -0.20)×100 = 20

This last expression should look a lot like the one we started with in this answer. It shows you how you can almost write down the answer to mixture problems without a lot of work.

3 0
2 years ago
This coordinate plane shows the journey of a plane between two cities. The journey starts from City A, indicated by a green poin
grandymaker [24]
<h3>Answer:  Choice C</h3>

Started in Quadrant II and ended in Quadrant IV.

==========================================================

Explanation:

Refer to the diagram below. It shows how the four quadrants are labeled using roman numerals. We start in the upper right corner (aka northeast corner) and work counterclockwise when labeling quadrant I, II, III, and IV in that order.

The green point A is located in quadrant II in the northwest. Meanwhile point B in red is in the southeast quadrant IV.

Therefore, we started in <u>quadrant II</u> and ended in <u>quadrant IV</u> which points us to <u>choice C.</u>

6 0
2 years ago
What is the answer plz answer this one
kumpel [21]

Answer:

it would be the 1st option or in other words the one on the top left

3 0
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Lashed year palm tickets were $65, and this year they are $50. What is the percent of decrease in the price of prom tickets? Rou
Goshia [24]
23% would be the answer
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Read 2 more answers
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