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Basic Mathematics QUESTION #4578
Question 1
If $a:b = 2:3$ and $b:c = 4:5$, what is $a:c$?
  • $8:15$✔️
  • $2:5$
  • $6:20$
  • Cannot determine
Correct Answer Explanation
$a:b = 2:3$ and $b:c = 4:5$. Make $b$ equal: $a:b = 8:12$ and $b:c = 12:15$. So $a:c = 8:15$