Answer: 42:21 and 14:7
Step-by-step explanation:
42:21, 6:3, and 14:7 all reduce to 2:1, but 9:1 does not.
2.5 /10 = 10 / x
100 = 2.5x
40 =x
<em>Train A = 214
</em>
<em>
Train B = 86</em>
<em>Hope I helped!!! ^^</em>
<em>_______________</em>
<em>列車A = 214
</em>
<em>
列車B = 86
</em>
<em>私が助けてくれたらいいのに!^ ^</em>
Answer:
20 + 2 units
Step-by-step explanation:
because the perimeter of ∆ ABC is the answer 20 + 2