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3 years ago

9

20 points !! need help asap If the aspect ratio in width to height (width: height) of a chalkboard is 23:15 and the width is 85

inches, what is the height of the chalkboard? 130.3 inches 4.1 inches 123 inches 55.4 inches

1 answer:

prohojiy [21]3 years ago

8 0

130.3

85×(23/15) = (X/85) × 85

85×(23/15) = X

X =130.3

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