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hodyreva [135]
3 years ago
7

3/5 - 1/3 what is the answer to that problem can some one help me ?

Mathematics
2 answers:
Elan Coil [88]3 years ago
7 0

Hi!

You need to find the common divider, so you can subtract them, in this case, it's 15.

(3*3)/(5*3) - (1*5)/(3*5) = 9/15 - 5-15 = 4/15

Hope this helps!

AlekseyPX3 years ago
3 0

Hello!

Explanation:

\frac{3}{5}- \frac{1}{3}

First, multiply by the numbers and denominators. 5*3

5*3=15

\frac{9}{15}- \frac{5}{15}

Then, you subtract by the number that came from numerator. 9-5

9-5=4

Answer: \frac{4}{15}

Hope this helps!

-Charlie

Thanks!


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Step-by-step explanation:

In the question it is given that a cell phone company offers two plans for minutes.

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$$\begin{aligned}&15 y+\frac{2 x}{300}-15 y=25 y-15 y+\frac{0.50 x}{100} \\&\frac{2 x}{300}=10 y+\frac{1 x}{200}\end{aligned}$$

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$$\begin{aligned}&\frac{2 x}{300}-\frac{x}{200}=10 y+\frac{1 x}{200}-\frac{x}{200} \\&\frac{x}{600}=10 y\end{aligned}$$

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Multiply both the sides of the obtained equation $\frac{x}{600}=10 y$ by 600 and simplify using multiplication properties.

$$\begin{aligned}&\frac{x}{600} .600=10 y .600 \\&x=6000 y\end{aligned}$$

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$$\begin{aligned}&\frac{x}{y}=\frac{6000 y}{y} \\&\frac{x}{y}=6000\end{aligned}$$

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