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to make his special salad dressing, Wolfgang combines 7oz of oil with 4 oz of vinegar. one day he needed a larger amount , so he used 8oz of oil. how much vinegar did he need?



Answer :

I think 3 oz of vinegar because 7+4=11 And what plus 8 equals to 11. And it is 3
Wolfgang has increased is oil by 1/7 therefore he must increase his vinegar by 1/7 to keep everything in proportion. One seventh of 4 oz is four seventh of an oz so the answer would be 4 and 4/7 ounces of vinegar NOT THE PREVIOUS ANSWER 4 oz

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