The answer is 54, 5 is 1 more than 4, they equal 9, 54 is 6 times greater than 9
135 because if you divide 90 by 2 you get 45 then add 45 and 90 and you get 135
Answer: 225 hamburgers were sold on Monday.
Step-by-step explanation:
525 = h + c
h = hamburger
c = cheeseburger
c = 75 + h
h + (h + 75) = 525
2h + 75 = 525
-75
2h = 450
/2
h = 225