Answer:
7.5 batches
Step-by-step explanation:
if he uses 0.6kg of sugar per 2 batches, it's 0.3kg per batch.
2.25kg would let us make
2.25kg / 0.3kg = 2.25 / 0.3 = 7.5 batches
3. is infinitely many solutions because the answer is 0=0
3) 6x+4=6x+4
0=0
Answer: 11
10/100 = 0.1
10 * 0.1 = 1
1 + 10 = 11