Dimensions 7706

Change both dimensions of the rectangle in a ratio of 9:4. Flood dimensions are 0.8 dm and 16 cm. What are the dimensions of the rectangle after the change?

Correct answer:

a =  3.5556 cm
b =  7.1111 cm

Step-by-step explanation:

x=0.8 dm cm=0.8 10  cm=8 cm y=16 cm  k=4/9=940.4444  a=k x=0.4444 8=932 cm=3.5556 cm
b=k y=0.4444 16=964 cm=7.1111 cm

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