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In a box , the ratio of nail to screws is 4:7 if . there are 20 nail ,how many screws are there ? |
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Answer» Answer: Step-by-step EXPLANATION: Given: In a box, the ratio of NAILS to screws is 4:7. If there are 20 nails. Now, to find the number of screws. Let the number of screws be As, given the ratio of nails to screws is 4:7. So, 4 is equivalent to 7. Thus, there are 20 nails that are equivalent to Now, to get the number of screws we set proportion: Therefore, the number of screws is 35. |
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