15/7 is approximately 2.143
Answer:
7.5KG
Step-by-step explanation:
Hello, please consider the following.

For the second we will need to put on the same denominator.

Thank you.
Answer:
<h2>x = 10</h2>
Step-by-step explanation:
If the triangles are similar, then the corresponding sides are in proportion:



<em>cross multiply</em>
<em>use distributive property </em><em>a(b + c) = ab + ac</em>

<em>subtract 20x from both sides</em>
