Answer
N-9=-18
Move the -9 to -18 and add those cuz if there’s two negative u have to add
Add 9
Nasser is making 80 flapjacks
1800g / 225g x 10=80
1 is the only prime number that will work.
Hope it helped!
6* 25 = 150 = (6*20= 120) + (6*5=30) Then Add 120+30= 150 so your answer is 5
