Question

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which situation can be represented by the inequality?
x < 90
a refrigerator weighs more than 90 kilograms
a kiddie pool holds under 90 liters of water
there are 90 children at summer camp.
betty is over the age of 90

Explanation:

Step1: Analyze each option

• Option 1: "A refrigerator weighs more than 90 kilograms" would be represented by \(x > 90\), not \(x < 90\).
• Option 2: "A kiddie pool holds under 90 liters of water" means the volume \(x\) (in liters) of water the pool holds is less than 90, so \(x < 90\) applies here.
• Option 3: "There are 90 children at summer camp" is a statement of equality (\(x = 90\)), not an inequality.
• Option 4: "Betty is over the age of 90" would be represented by \(x > 90\), not \(x < 90\).

Answer:

B. A kiddie pool holds under 90 liters of water