Question

a museum curator counted the number of paintings in each exhibit at the art museum.
paintings per exhibit
how many exhibits are there in all?
exhibits

Explanation:

Step1: Identify the number of exhibits in each interval

From the bar - graph:

• \(0 - 9\) paintings: \(10\) exhibits
• \(10 - 19\) paintings: \(50\) exhibits
• \(20 - 29\) paintings: \(40\) exhibits
• \(30 - 39\) paintings: \(10\) exhibits
• \(40 - 49\) paintings: \(20\) exhibits
• \(50 - 59\) paintings: \(10\) exhibits
• \(60 - 69\) paintings: \(10\) exhibits
• \(70 - 79\) paintings: \(20\) exhibits

Step2: Sum up the number of exhibits

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Answer:

\(170\)