Answer:
0
Step-by-step explanation:
0 is the identity element under addition for the real numbers.
Answer:
36
Step-by-step explanation:
125%*x=45
125%x=45
x=36
5+2h i think this is how it would be represented
Answer:
18 machines
Step-by-step explanation:
9 machines give 24 mins... You need to reduce the time by half by adding using double the machines..
So 9×2=18