amiyakelley amiyakelley

20-10-2021
Mathematics

contestada

A 9-inch candle burns down in 12 hours. After how many hours will it have burned
3 3/8 inches?

Respuesta :

mathstudent55 mathstudent55

20-10-2021

Answer:

4.5

Step-by-step explanation:

Use a proportion.

3 3/8 = 3.375

9 inch is to 12 hours as 3.75 inches is to x hours.

9/12 = 3.375/x

3/4 = 3.375/x

3x = 4 * 3.375

x = 4 * 1.125

x = 4.5

Answer: 4.5 hours

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