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Math·Problem-Solving and Data Analysis·Ratios, rates, proportional relationships, and units
medium
For a certain rectangular region, the ratio of its length to its width is to . If the width of the rectangular region increases by units, how must the length change to maintain this ratio?
A
It must decrease by 7 units.
B
It must increase by 7 units.
C
It must increase by 17.5 units.
D
It must decrease by 17.5 units.