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nevsk [136]
1 year ago
8

A group of 15 teenagers owes $75 at a pizza parlor. If they split the bill evenly, how much will each person owe?

Mathematics
2 answers:
Kipish [7]1 year ago
7 0

Answer:

$5 each teenager

Step-by-step explanation:

divide 75 by 15

kipiarov [429]1 year ago
7 0
5 dollars each teenager

75 divided by 15= 5

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What are the methods of substitution?
anyanavicka [17]

Answer:

-<u>One Equation</u>: is set equal to a variable

Example:

y = 2x + 1

x + 3y = -12

You already have y, plug it back into x + 3y = -12

x + 3(2x + 1) = -12

x + 6x + 3 = -12

7x + 3 = -12

(Subtract 3 from each side)

7x = -15

(Divide by 7)

x = - 2.14

-<u>No Equation</u>: is set equal to a variable

Example:

2x + y = 10

4× + 2y = -3

Subtract 2x from each side of 2x + y = 10, you should get y= -2x + 10. Now that you have found y, substitute y into 4x+ 2y = -3.

4x + 2(-2x + 10) = -3

4x + -4x + 20 = -3

(Subtract 20 from each side)

4x + -4x = -23

(Add 4x and -4x)

0 = -23

No Solution

<u>-Both</u><u> </u><u>Equations</u>: are set equal to a variable

Example:

y = x + 5

y = -x + 3

(you already have y so plug it into the other equation to solve for x)

-x + 3 = x + 5

(Add -x on both sides)

3 = 2x + 5

(subtract 5 from both sides)

-2 = 2x

(Divide by 2 on each side)

x = -1

I hope this helped!

8 0
2 years ago
What is the quotient when root 1500 is divided by 2 root 15
joja [24]

Answer:

Answer is (√1500) /(2√15 )= 5

Step-by-step explanation:

8 0
3 years ago
You have invested $5000 in stocks and bonds. The interest you earned on the stocks was 7%. The interest you earned on the bonds
Sphinxa [80]
Money invested S + B = $5000 - - - - (a)
Money earned can be represented in S & B as follows:
0.07*S + 0.14*B =$500 - - - - (b)

Equations a & b are two equations with two unknowns.

From equation a:
S = 5000 - B
Replace S in equation b
0.07*(5000 - B) + 0.14*B =$500
0.07B = 500 - 350 = $150
B = 150/0.07 = $2142.86
S = 5000 - 2142.86 = $2857.14

Good luck
8 0
3 years ago
A plumber charges $50 for a house call plus an additional $12 per hour for labor
velikii [3]
$62 is both numbers added together
6 0
2 years ago
Let U = {5, 10, 15, 20, 25, 30, 35, 40)
Katen [24]

Answer:

auc=5,10,15,20,30,40

5 0
2 years ago
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