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Five friends go to the local sandwich shop. All five people order the combination meal, which includes a drink and a sandwich for $5.89. One person thinks the total bill for all five friends will be around $50.00. Is this a reasonable estimate? Why? A. No, a reasonable estimate is around 1 - $6 = $6. B. No, a reasonable estimate is around 5. $6 = $30. C. No, a reasonable estimate is around 5. $12 = $60. D. Yes, a reasonable estimate is around 10 - $5 - $50.

User Rebol Tutorial
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1 Answer

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Estimation

We know $5.89 ≅ $6

There are five friends, then a reasonable estimate if to take $6 and multiply it by 5

$6 · 5 = $30

Answer: B. No, a reasonable estimate is around 5. $6 = $30

User Vladimir Nabokov
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