Answer:

Step-by-step explanation:

Answer:
25/30
Step-by-step explanation:
because 3 multiplies into 30, 10 times and 2 multiplies into 30, 15 times so you add 10+15 to get 25
Its D no se porque pero es d
Find 'per hour' here based on the above information.
10 1/2 divided by 3/4
10.5 ÷ 0.75 = 14
14 windows can be washed in one hour is the answer.