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3 years ago

Write this percentage as a fraction in its simplest form. 31%

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

31/100. it cannot be simplified.

Step-by-step explanation:

finlep [7]3 years ago

3 0

31/100 I think

Fillerfillerfiller

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4x+7=23. explain the steps you would use to solve the equation for x.

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Answer:

x=4

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What is 0.015 x 1.5=

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2 years ago

Riley and Erik have earned a total of 135 tokens to buy items in the school store. The ratio of the number of tokens that Riley

lisabon 2012 [21]

Answer:

<em>Riley has 72 tokens</em>

Step-by-step explanation:

<u>System of Equations </u>

We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

$x+y=135$

Solving for y

$y=135-x$

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

$\displaystyle \frac{x}{y}=\frac{8}{7}$

Or equivalently

$7x=8y$

Replacing y from the first equation

$7x=8(135-x)$

Operating

$7x=1080-8x$

Simplifying

$15x=1080$

$\boxed{x=72}$

Riley has 72 tokens

3 0

3 years ago