Question

He ratio of the lengths of the corresponding sides of two rectangles is 8:3. the area of the larger rectangle is 320 ft2. what is the area of the smaller rectangle? 120 ft2 30 ft2 90 ft2 45 ft2

Answer 1

The answer is: [A]: " 120 ft² " .
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Step-by-step explanation:
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Set up a ratio as a fraction:
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8/3 = 320/x ;
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Cross-multiply:
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8x = 3 * 320 ;

8x = 960 ;

Divide each side of the equation by "8" ;
to isolate "x" on one side of the equation ; and to solve for "x" ;
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8x / 8 = 960 / 8 ;

to get: x = 120 .

The answer is: [A]: " 120 ft² " .
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