You can divide 1000 by 4 then multiply a number to get 2500
1000/4= 250
250 x 10 = 2500
Answer: 10 hours
9. <span>1.25 = (1 x 1) + (2/10) + (5/100)
11. is ---C----</span>
20/35 and 21/35. The common denominator is 35.
Good luck, I am not sure how to solve the next part of the question