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Zina [86]
3 years ago
14

The price of a gallon of unleaded gas was $2.81 yesterday. Today, the price rose to $2.86. Find the percentage increase. Round y

our answer to the nearest tenth of a percent.
Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0

Let's find the difference between the prices.

2.86-2.81=0.05; now let's see what percent 0.05 is of 2.81.

0.05/2.81

0.0178= 1.78%=1.8%

So, it increased about 1.8%.

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120% of x is equal to 78.
Degger [83]

Answer:

A. 1.2x = 78

B. x = 65

Step-by-step explanation:

Just informally, first:

x is the number that we don't know. 120% of that number is a number BIGGER than that number. 120% of x is 78. So 78 is BIGGER than the number that we don't know.

120% of x = 78

Change 120% to a decimal by moving the decimal two places to the left. Multiply.

1.2x = 78

To solve, divide both sides by 1.2

x = 78/1.2

x = 65

4 0
2 years ago
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Ike likes numbers only if the sum of their digits is 9. How many digits between 10-100 does he like? *
Rashid [163]
Ok so its 8 `1&8   2&7 3&6  4&5 and then all of those numbers reversed 
18 27 36 45 and 81  72 63  54
4 0
3 years ago
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Someone help me and explain . this is confusing.
pentagon [3]

Answer:

on the image

Step-by-step explanation:

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7 0
3 years ago
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What is the relative frequency of students speaking spanish?​
borishaifa [10]

Answer:

Step-by-step explanation:

add all of them up,  Julie,   6 + 12 + 3 + 4 = 25  

there are 25 total students.  now divide each of the number of people that speak that language by the total students

6/25 = .24 = 24%

12/25= .45 = 48%

3/25 = .12 = 12%

4/25 = .16 = 16%

Also, if you want to just check,  see if the percentages add to 100%

6 0
3 years ago
A bicycle store costs ​$3500 per month to operate. The store pays an average of ​$75 per bike. The average selling price of each
vfiekz [6]

Answer: the store needs to sell 50 bicycles each month to break even

Step-by-step explanation:

The average selling price of each bicycle is ​$145.

When we talk of break even, we are referring to the point at which the income being accrued from a business is equal to the total cost of running the business. At this point, their is no profit and there is no loss.

From the example information given,

Total cost of running the business will be

cost of operating the bicycle store + the total amount the store pays per bike.

cost of operating the bicycle store

= ​$3500 per month

The store pays an average of ​$75 per bicycle. If the store buys x bicycles per month, then,

Total the total amount the store pays per bike = 75 × x = 75x

Total cost of running the business per month

= 3500 + 75x - - - - - - -1

The average selling price of each bicycle is ​$145. This means that the selling price for x bicycles will be

145 × x = 145x

Therefore , total income is $145x

To break even,

145x = 3500 + 75x

145x - 75x = 3500

70x = 3500

x = 3500 / 70 = 50

8 0
3 years ago
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