Th answer to number 1 is B. The answer to number 2 is C. The answer to number 3 is A. The answer to number 4 is the first graph {(1,80),(2,240),(3,720),(4,2160)}
He started with 16 because he sold half so add half and that would be 16 ;)
The solution for the #23 equation is either x=9 or x= -3
200 divided by 30 equals 6.66 dishes per minute. It would take 37.55 minutes to do 250 dishes.
3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
