Of the new calculators tested, 8 were defective and 42 passed inspection. What ratio compares the number of defective calculators to the number of new calculators?

The number of new calculators tested was 50 . . . 8 were bad and 42 were good.
The ratio of defective ones to new ones tested is 8:50 or 4:25 or 16% .

Answered by AL2006 | 2024-06-10

You simply put the 2 numbers together to find the answer, which is 8:42.
You want to find the ratio in its simplest form. Therefore, you want to find the lowest common multiple of 8 and 42. 2 goes into both numbers. 8 / 2 = 4. 42 / 2 = 21
The answer is 4:21.

Answered by ZackFry | 2024-06-10

The ratio of defective calculators to new calculators tested is 4:25, or equivalently, 16% of the calculators tested were defective. This shows that out of every 25 new calculators, 4 were defective. Thus, 4 out of 25 new calculators had defects.
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Answered by AL2006 | 2024-10-02