Answer:
10X - 400 = 100
Step-by-step explanation:
double check this answer because I'm not the best at this type of problem
x should equal 50, because, if you were going to write this equation, 10 dollars per person times the amount of people would give you the profit if there was no loan, but since there is, you have to subtract 400. the profit is 100, so if you plug in the numbers to check the value of x, it would be
10 x 50 - 400 = 100
again, please double check this