Admission to the zoo costs $4 for adults and $2 for kids. The total bill for your entire extended family was $30. This scenario can be modeled by the equation 4a + 2k = 30. Which is not a possible combination of adults and kids?

Question

anonymous · Answer

5 adults and 5 kids 

 4 adults and 7 kids 

 7 adults and 1 kid 

 3 adults and 6 kids

anonymous · Answer

^the options of answers

hartnn · Answer

u can just substitute a as number of adults and k as number of kids,in 4a+2k...if it comes out to be 30,it is a possible combo,else not...

anonymous · Answer

Explain more