For 2/3 hour, he painted = 1/5 wall
For 1 hour it would be: 1/5 / 2/3
We can re-write it as: 1/5 * 3/2 = 3/10 wall
So, your final answer is 3/10 wall
Hope it helped.
Answer: A-True B-False C-True D-True E-False
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
An operation of two real numbers is defined by the rule

Calculate
First evaluate the expression in brackets:

Now,
