Respondents 81024

Out of 32 people, 22 like fish. Four fewer people will enjoy the mushrooms. Those who eat mushrooms or fish are 7 times more than those who do not eat mushrooms or fish. How many of the respondents have fish and mushrooms?

Correct answer:

x =  12

Step-by-step explanation:

n=32 a=22 b=a4=224=18  ab=x  a+bx=7 (nab+x) 22+18x=7 (322218+x)  8x=96  x=896=12  x=12

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