2.) If the aspect ratio in width to height (width: height) of a chalkboard is 16:9 and

the width is 70 inches, what is the height of the chalkboard?

Question

Mathematics

Kramer

Yesterday, 21:26

2.) If the aspect ratio in width to height (width: height) of a chalkboard is 16:9 and

the width is 70 inches, what is the height of the chalkboard?

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Answers (1)

Know the Answer?

Francisco · Answer 1

Essentially we must find a height such that 70:height is at the same ratio as 16:9. So

16/9=70/h

1.778=70/h

1.778h=70

h=70/1.778=39.37inches

Check work:

16:9 = 1.7777778

70:39.37 = 1.778

2.) If the aspect ratio in width to height (width: height) of a chalkboard is 16:9 andthe width is 70 inches, what is the height of the chalkboard?

2.) If the aspect ratio in width to height (width: height) of a chalkboard is 16:9 and

the width is 70 inches, what is the height of the chalkboard?