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>
2/5 in decimal form would be 0.4
Answer:
21.84
Step-by-step explanation:
52*0.42=21.84
i think this is the answer
The mistake is that they subtracted 21 instead of adding it. you would have had to added 21 to the left side to cancel it out and added 21 to the right side to get p= 55
If Dan divided the pie into eighths, then there would be 8 equal pieces of the pie, since 1 * 1/8 = 8.
Hope that helped =)
