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Sauron [17]
3 years ago
12

David and laid invited three friends over to watch the Olympics they decided to order two pizzas for all of them what fraction o

f a pizza will each person get
Mathematics
2 answers:
sergiy2304 [10]3 years ago
6 0
Basically u do 5÷2=2 1/2
so each person gets 2 slices with 1/2 left
Ivenika [448]3 years ago
3 0
Including David, there is 4 people. Since there is 8 slices per full pizza, there are 16 slices total. 16 <span>÷ 4 is 4. So the answer should be 1/4. Or everyone should get 1/2 of a pizza.</span>
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17 more than some number is 57
anastassius [24]
17+x=57.
So, subtract 17 from both sides
X=40
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Which one is greater 7 pounds or 70 ounces
eimsori [14]

Answer:

7 pounds is greater

Step-by-step explanation:

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An airplane travels at 150 miles per hour. The total distance traveled is 637.5 miles. Which equation should be solved to determ
OverLord2011 [107]
The distance (d) traveled by the airplane is the product of multiplying the speed (s) and the trip took (h). The equation is shown below, 
                                           d = s x h
Substitute the known values to the equation, 
                                       637.5 miles = (150 mile/ hour) x h
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                                       h = (637.5 miles) / (150 mile/ hr) 
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8 0
3 years ago
How do I solve these?
makkiz [27]

1) The number is 12.

2) There are 7 passengers in a row.

3) Carol, Xavier and Keela drank 580, 1160 and 1260 mL of water, respectively.

<h3>How to resolve word problems involving linear equations</h3>

In this question we find word problems involving linear equations, in each case we need to understand the statement, derive mathematical equations and looking for corresponding solutions by algebraic means. Now we proceed to solve for each case:

Case 1

A variable is found herein and we need to resolve on this linear equation: (x - A number)

(x + 8) / 4 = 1 + (1 / 3) · x

(1 / 4) · x + 2 = 1 + (1 / 3) · x

1 = (1 / 12) · x

x = 12

The number is 12.

Case 2

A variable is found herein and we need to resolve on this linear equation: (x - Number of passengers per row)

30 · x + 12 = 222

30 · x = 210

x = 7

There are 7 passengers in a row.

Case 3

Three variables are found herein and we need to resolve on these linear equations: (x - Water consumed by Carol, y - Water consumed by Xavier, z - Water consumed by Keela)

z = 2 · x                        (1)

y = z + 100                   (2)

x + y + z = 3000           (3)

Finally, we find the solution of this system:

x + (z + 100) + z = 3000

x + 2 · z = 2900

x + 4 · x = 2900

5 · x = 2900

x = 580 mL

z = 1160 mL

y = 1260 mL

Carol, Xavier and Keela drank 580, 1160 and 1260 mL of water, respectively.

To learn more on systems of linear equations: brainly.com/question/21292369

#SPJ1

3 0
1 year ago
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