The two expressions are both rational numbers- they are ending, whole and have no decimals.
Answer: Mary is correct.
9/8 is an improper fraction, so we change it to 1 1/8.
Mary lives less than a mile from school, so we know that Thad lives farther since he lives a mile and 1/8 away, and Mary only lives 6/10 away, which is less than a mile.
Glad I could help, and good luck!
5 : 7.....add them = 12
5/12 * 60 = 300/12 = 25 kg
7/12 * 60 = 420/12 = 35 kg
