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daser333 [38]
2 years ago
15

The PTA makes a $5.00 profit on each school sweatshirt they sell. If they made a

Mathematics
1 answer:
Scilla [17]2 years ago
7 0

Answer:

434 sweatshirts were sold

Step-by-step explanation:

$2,170/$5 = 434

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The side of a square are 3 cm long. One vertex of the square is at (2,0) on a square coordinate grid marked in centimeters units
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Rex's puppy is 5 years younger than his other dog. If the other dog is x years old, what is an expression for the puppy's age?
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2 years ago
Read 2 more answers
Adena, Julius, and Tia volunteered to read to children at the public library. Julius worked two hours less than Tia. Adena worke
mafiozo [28]

Answer:

28 hours

Step-by-step explanation:

Adena, Julius, and Tia volunteered to read to children at the public library.

Let us represent, the number of hours worked by

Adena = x

Julius = y

Tia = z

Julius worked two hours less than Tia.

y = z - 2

z = y + 2

Adena worked twice as many hours as Julius.

x = 2y

Altogether they worked 58 hours.

x + y + z = 58.... Equation 1

We substitute 2y for x and y + 2 for z in Equation 1

2y + y + y + 2 = 58

4y + 2 = 58

Collect like terms

4y = 58 - 2

4y = 56

y = 56/4

y = 14

We are the find the number of hours Adena worked which is represented by x

Note that:

x = 2y

y = 14, hence,

x = 2 × 14

x = 28 hours

Therefore, the number of hours Adena worked is 28 hours

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2 years ago
Jerome tries to find the value of the expression 3 - 6 + 5 by first applying the commutative property he rewrites the expression
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  • Wrong in sign change

How?

  • In commutative law the sign doesn't change whenever it is applied.

Thus

\\ \sf{:}\implies 3-6+5

\\ \sf{:}\implies 3\underline{+5-6}

\\ \sf{:}\implies 8-6

\\ \sf{:}\implies 2

5 0
2 years ago
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