A box contains 421 books. If your teacher orders 19 boxes of books, about how many books will arrive? Use estimation to find you
2 answers:
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Answer:
x= 10/3
Step-by-step explanation:
1/250 : 2 = 1/150 : x
it's a simple problem of ratio and proportion
1/250 : 2 = 1/150 : x
⇒
⇒
x= 10/3