3/4 and 9/12 are alike because they are both the same value. They are different because 3/4 is simplified while 9/12 is not.
Answer:
10 +(20x)
Step-by-step explanation:
Donald has number of twenty-dollar bills = x
He has ten-dollar bill = 1
Total amount of bills = 10 +(20x)
The amount of the bill that Donald have is 10 + (20x)
Answer:
25.2
Step-by-step explanation:
6/5 is 1.2, so it takes 1.2 minutes to run one lap.
This means 21 x 1.2 = the minutes it takes to run 21 laps around the track.
Therefore it takes 25.2 minutes to run around the track 21 times.