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romanna [79]
3 years ago
6

The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. What

is the age of the younger brother?
16
18
24
Mathematics
1 answer:
grigory [225]3 years ago
8 0
3(3x+8)=4(2x+8)
9x+24=8x+32
x=8

2(8)=16
3(8)=24
 
that means that the younger brother is 16 years old 
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Sunglasses that usually cost 160.95 are on sale for 128.44. What percent off are they plz I need help
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The percent discount is: 20%

Step-by-step explanation:

The formula for percentage will be used to find the percentage of discount.

Given

Original price = $160.95

Discounted price = $128.44

The discount is:

D = Original price - sale price

D = 160.95 - 128.44\\= 32.51

The percent discount is given by:

Discount = \frac{discount}{Original\ price} *100\\= \frac{32.51}{160.95}*100\\= 0.2019 * 100\\= 20.19\%

Rounding off to nearest whole percent

20%

Hence,

The percent discount is: 20%

Keywords: Percentage, discount

Learn more about percentage at:

  • brainly.com/question/4390083
  • brainly.com/question/4401748

#LearnwithBrainly

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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3 years ago
Read 2 more answers
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