Answer:
we divide 21.4 by 5 since it is 5 equal places which is 4.28
4.28 per recipe
Step-by-step explanation:
21.4 divided by 5 = 4.28 per recipe
3
..................
-5 and 2
-5+2=-3
-5*2=-10
a / 75 = 15 / 100
100a = 75 * 15 [cross multiplication]
a = 11.25
i hope this helps!!! :D