Inequality word problem( multiple choice)?

Joey Chestnut is trying to break his own record for eating the most whole hot dogs in 10 minutes. He needs to eat more than 72 hot dogs to break his record. After 1 minute, Joey has eaten 11 1/4 hot dogs. Let d represent the number of hot dogs Joey eats per minute for the next 9 minutes.

Which inequality represents the number of hot dogs per minute Joey could eat for the last 9 minutes to break his record?

Choose 1 answer:

A. 11 1/4 + 9d > 72

B. 11 1/4 + 9d = 72

C 11 1/4d + 9 > 72

D. 11 1/4d + 9 = 72

Will Joey break his record if he eats 6 hot dogs per minute for the next 9 minutes?

A. Yes

B. No.

Update:

My answer is A. 11 1/4 + 9d > 72 , and d > 6.75 I'm I correct?

Is it No?

2 Answers

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  • ?
    Lv 7
    6 months ago
    Favorite Answer

    A. 11 1/4 + 9d > 72

    B. NO

    Joey needs to eat at least 60 3/4 hotdogs in the next 9 minutes. If he eats 6 hotdogs for each of the next 9 minutes, he will have only eaten 6(9) = 54 hotdogs.

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  • 6 months ago

    I see you:

    1) are a Computer Engineer;

    2) a Maths contributor;

    3) have answered 16,386 questions;

    4) have 55% Best Answers;

    5) keep asking the same (with slight modifications) very simple question over and over.

    I think something is not quite right. Can you explain?

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