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-BARSIC- [3]
3 years ago
8

The price of a gallon of heating oil rose from 1.60 a gallon to 1.92 . by what percent did the price increase?

Mathematics
2 answers:
Rudiy273 years ago
4 0

Answer: required percent increase in price=20%

Step-by-step explanation:

required percent increase in price=\frac{1.92-1.60}{1.60}\times100

                                                       =\frac{0.32}{1.60}\times100

                                                       =0.20\times100

                                                      =20%

AURORKA [14]3 years ago
3 0

Answer:

20%

Step-by-step explanation:

1.92 - 1.60 = 0.32

percentage increase = (0.32/1.60) * 100 =

0.2 * 100 = 20%

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3 years ago
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3 years ago
one number is 1 more than 2 times another. if their sum is increased by sevan, the result is twenty six
Lady bird [3.3K]

the numbers are 6 and 13

let x be one of the numbers then the other is 2x + 1

their sum increased by 7 = 26

x + 2x + 1 + 7 = 26

3x + 8 = 26

subtract 8 from both sides

3x = 26 - 8 = 18

divide both sides by 3

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7 0
2 years ago
Every year Ethan earns 38,428. Each year he spends 21,728 on expenses. How much money should he have left over?
PolarNik [594]

Answer:

16,700

Step-by-step explanation:

Given that,

Earning of Ethan = 38,428

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We need to find the amount of money he has left over. It can be calculated as follows :

Left money = Earning - Spent

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3 years ago
Solve the following <br><br><br> C^2-14=5c
kipiarov [429]

Answer:

c = - 2, c = 7

Step-by-step explanation:

Given

c² - 14 = 5c ( subtract 5c from both sides )

c² - 5c - 14 = 0 ← in standard form

To factorise the quadratic

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The factors are - 7 and + 2, since

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8 0
2 years ago
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