Answer:
I believe 225 hamburgers were sold on Monday.
Step-by-step explanation:
sum of twice a number and three is 21
2x + 3 = 21
x = 9
45
If x and y are positive integers, what is the value of x√+y√x+y?
(1) x + y = 10
(2) xy−−√=2xy
021110321....1.12...1.1.631.6301