Answer:
9km
Step-by-step explanation:
30-(13+8)=9km
I hope you understand
Congruent Triangles<span>. When two </span>triangles<span> are </span>congruent<span> they will have exactly the same three sides and exactly the same three angles. The equal sides and angles may not be in the same position (if there is a turn or a flip), but they are there</span>
Answer:

Step-by-step explanation:
Given

See attachment
Required
Length ML
First, calculate x using the following equivalent ratios

Express as fraction

Cross Multiply

Substitute values:

Expand


Collect like terms


Using a calculator:
and 
Given that:

Substitute values for x


ML cannot be negative; So:

Two bags, $21 each means 2 x 21 = $42 total. 42/3 = $14