Iceberg lettuce is grown and shipped to stores for about 40 cents a head, and consumers purchase it for about 92 cents a head. Find the percent increase.

Rick and jim are working at the concession stand at the school basketball game. rick sells 12 more burgers than jim. the equation given below shows this relationship, where g represents the number of burgers rick sells, and h represents the number of burgers jim sells. g= h + 12 if rick sells 37 burgers, how many burgers does jim sell?