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NISA [10]
3 years ago
14

if alan had bought a figure at a discount of 5%, he would pay $20 less. How much would he pay if he had bought it at a discount

of 20%
Mathematics
2 answers:
Marrrta [24]3 years ago
7 0

Answer:

80

Step-by-step explanation:

5%-->20% is increased by x4, therefore you multiply 20 by 4 which is 80 or you can set an proportion

<h3>5/20=20/x</h3><h3>5x=400</h3><h3>x=80</h3>
o-na [289]3 years ago
5 0
He would pay $320 at a discount of 20%.
The first step in solving this is hidden in the sentence “discount of 5%, he would pay $20 less”. This informs us that 5% of the price and $20 are the same
Our next step is to find how much 100% of the price is
Multiplying 5 and 20 gets us 100, so multiplying 5% by 20 will get us 100%
We already know that 5% is $20, so we can multiply $20 by 20 to get to 100% percent of the price
(20*20=400)
Now that we know the total price, we can find a discount of any percent. Since we know that a five percent discount will give you $20 dollars off, we can deduce that a 20% discount will give us $80 off.
(20/5=4)
(4*20=80)
(400-80=320!)
Hopefully this helps, if you need me to explain anything again I’ll try my best!
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ElenaW [278]
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3 0
3 years ago
Please help. I need a step by step explanation. Extra points will be given as well as brainiest!!!
Shalnov [3]

Answer:

V =113.04

Step-by-step explanation:

A sphere has a surface area of 113.04

SA = 4 pi r^2

113.04 = 4 pi r^2

Let pi 3.14

113.04 = 4 *(3.14) r^2

113.04 = 12.56 r^2

Divide each side by 12.56

113.04/12.56 = r^2

9 = r^2

Take the square root of each side

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V = 4/3 pi r^3

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V =113.04

3 0
3 years ago
Bananas are .95/1 pound, what is the constant of proportionality?
Sidana [21]
Since y is .95 and x is 1 it is a unit rate which is the constant of proportionality.

Correct me if I am wrong.
7 0
2 years ago
Whats 0.55% as a mixed number and a decimal?
xxTIMURxx [149]
Mixed number is a natural number plus a proper fraction
a mixed number, is normally more than 1

anyway
percent means parstt out of 100
0.55%=0.55/100=0.055/10=0.0055/1=0.0055

it is 55/10000 as a fraction or 0 and 55/10000 aas a mixed number
decimal it is 0.0055
7 0
2 years ago
Add the integers.<br><br> 1. -2 +(-5)<br><br> 2. -2 +(-2)<br><br> 3. -13 +9
Maru [420]
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4

hope this helps
7 0
2 years ago
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