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Pavel [41]
3 years ago
8

Tito Solved This Equation

Mathematics
2 answers:
frosja888 [35]3 years ago
8 0
<span>D.Multiplication property of equality</span>
mylen [45]3 years ago
3 0

Answer with explanation:

Tito Solved the equation in following way

 2× (3 x +5)= 22 + 5 x - 3 x

→ 6 x + 10 = 22 + 2 x →→→Distributive property of multiplication with respect to Addition, that is , a × (b+c)=a ×b + a × c

→ 6 x + 10 - 2 x = 22 + 2 x - 2 x→→→Subtraction property of equality, subtracting -2 x ,from both sides.

→ 4 x + 10 = 22

→ 4 x + 10 -10 = 22 - 10→→→Subtraction property of equality, subtracting -10 ,from both sides.

→ 4 x= 12

Dividing both sides by, 4 we get

→ x=3

The properties that we have used to solve the Equation

C : Distributive property

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Answer:

Gianna makes $18 per hour.

Step-by-step explanation:

Given Gianna makes 90$ for 5 hours. That means she should make $ \frac{90}{5} $ $  = 18$ every hour.

Therefore we have:

a.

HOURS                    DOLLARS

  1                                   18

  2                                  36

  3                                  54

  4                                   72

  5                                   90

  6                                   108

  7                                   126

b.

For the tabular column mark Hours on the x - axis and Dollars on the Y - axis. It can be plotted from the above table easily.

c.

If Gianna works for 8 hours she would have made 8 X 18 = 144$.

So, she will earn 144$ in 8 hours.

d.

To make 60$ she would have to work $ \frac{60}{18} $ hours = 3.33 hours.

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