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Alchen [17]
3 years ago
12

Roberto purchased airline tickets for his family of 4. The tickets cost $1,250.The airline also charged a luggage fee,bringing t

he total cost to $1,400. What is the percent increase
Mathematics
2 answers:
Vitek1552 [10]3 years ago
7 0

Answer:

12% Increase.

Step-by-step explanation:

goblinko [34]3 years ago
3 0

Find the difference:

1400 - 1250 = 150

Divide the difference by the starting value:

150 / 1250 = 0.12

Multiply by 100:

0.12 x 100 = 12% increase.

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Bethany can mow her family’s lawn in 4 hours. Her brother Colin can mow the lawn in 3 hours. Which equation can be used to find
Alina [70]

Answer:

Step-by-step explanation:

t/4+t/3=1

(3t+4t)/12=1

7t/12=1

7t=12

t=12/7

x=(12/7)hours

7 0
3 years ago
Part 7 math work 10th-grade work
Irina-Kira [14]

Answer:

x>11 is the solution to both equations.

Step-by-step explanation:

I apologize for late response I've been busy lately. Anyways here ya go! :

From what I understand it wants us to solve "9x-4>95" so that's what I'll do.

add 4 to each side

9x>99

divide each side by 9

x>11 is the solution to 9x-4>95

For 4x+10>54

subtract 10 from each side

4x>44

divide each side by 4

x>11 is the solution to 4x+10>54

3 0
3 years ago
4.50x +5.50x – 7.50x
Wittaler [7]

Hey there!

4.50x + 5.50x - 7.50x

= 4.5x + 5.5x - 7.5x

= 10x - 7.5x

COMBINE the LIKE TERMS

= (10x - 7.5x)

= 10x - 7.5x

= 2.5x

≈ 2.50x


Therefore, your answer is: 2.50x


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

3 0
2 years ago
1 2/3 + 1/8 <br> Can you help pls <br> Nowww pls
Likurg_2 [28]

Answer:

Step-by-step explanation:

43/24

or

1  19/24

7 0
2 years ago
Read 2 more answers
The manufacturer of an energy drink spends $1.20 to make each drink and sells them for two dollars the manufacturer also has fix
dimulka [17.4K]

Let X be the number of energy drinks sold.

The manufacturer of an energy drink spends $1.20 to make each drink and sells them for two dollars the manufacturer also has fixed cost each month of $8000.

The manufacturing cost for X energy drinks is

1.20x

Fixed cost is $8000.

Therefore, cost function is

C(x)=1.20x+8000

Selling price of each drink is $2.

Therefore, the revenue function is

R(x)=2x

Hence, the revenue function is

R(x)=2x

6 0
1 year ago
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