28 mpg is the average so that is what they should expect.
Answer:
show that the three sets of corresponding sides are in proportion. If the three sets of corresponding sides of two triangles are in proportion, the triangles are similar.
Step-by-step explanation:
19.25 rounded to the nearest ones is 20
39x + 24(50 - x) = 1,605
<span>13x + 8(50 - x) = 535 </span>
<span>13x + 400 - 8x = 535 </span>
<span>5x = 135 </span>
<span>x = 27 </span>
<span>Answer: 27 of 39-cent stamps were sold</span>
