0.3r/0.3=2.1/0.3
r=2.1/0.3
r=7
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Answer:</span>
<span>
Explanation:A fraction in the simplest form is a fraction in which there are no common divisors between the numerator and the denominator.
The given fraction is </span>
<span>
We can note that both the numerator and the denominator can be divided by 5. Doing this, we will get:
</span>
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Again, we can note that both the numerator and the denominator can again be divided by 5.
This will give us:
</span>
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The reached fraction </span>
<span> has no common divisors between the numerator and the denominator. Therefore, it is in the simplest form.
Hope this helps :)</span>
1/4
Your teacher wrote it wrong. 1/86 should be 1/36. The pattern is dividing the denominator by 3.
The first graph because its decreasing