She received 12 calls from her son and 30 calls in total.
40% of 30 is 12.
Transitive property I believe
Answer:
y=−2x−10
Step-by-step explanation:
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Solve the equation:

Reduce the fractions at the left side so that they have the same denominator:

Numerators must be equal:

I hope this helps. =)
Tags: <em>rational equation fraction solution algebra</em>
Answer:
<h2>186 : 1</h2>
Step-by-step explanation:
1cm = 10mm
Therefore 8cm = 8 · 10mm = 80mm
The scale of the model
