He grates 6/8 pounds of cheese in all.
For this problem, you just have to add the numerators and keep the denominators.
4/8 + 2/8 = 6/8.
Remember, if the denominator is the same, just add the numerator.
Answer:
The answer is 20 hours
Step-by-step explanation:
20x60=1200
1200÷60=20
