Answer:
C.97
Step-by-step explanation:
12) The mistake that Liz made was instead of shading in 5% of the diagram, she shaded in 5 blocks, which is incorrect.
13) You would have to shade in only one block, because 5% of 20 (blocks) is 1.
The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h.
<span>A=<span><span>(<span>a+b</span>)</span>2</span>h</span>
Solve for a.
