Use the conversion ratio 1 foot equals 12 inches. A whiteboard is 7.5 feet long. How many inches long is the whiteboard? (1 point)
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90
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To find the number of inches, you need to multiply the length of the whiteboard in feet by the conversion ratio.
Length of whiteboard in inches = 7.5 feet * 12 inches/foot
= 90 inches
Therefore, the whiteboard is 90 inches long.
The answer is 90.
To convert feet to inches, we use the conversion ratio 1 foot equals 12 inches.
Given that the whiteboard is 7.5 feet long, we can multiply this by 12 to find the length in inches.
7.5 feet * 12 inches/foot = 90 inches
Therefore, the whiteboard is 90 inches long.
To find the length of the whiteboard in inches, we can use the conversion ratio: 1 foot equals 12 inches. Given that the whiteboard is 7.5 feet long, we can multiply this length by the conversion ratio to obtain the length in inches.
7.5 feet * 12 inches/foot = 90 inches
Therefore, the whiteboard is 90 inches long. So the correct answer is 90.