The coach recorded how fast his runners ran 1 mile. Emmett ran a mile in 9.73 minutes, Kate ran a mile in 10.87 minutes, and Robin ran a mile in 8.46 minutes. How many more minutes did Emmett run than Robin?
Which is the best estimate? 11.36 + 52.6 =
65
63
64
42
Which is the best estimate? 69.58 - 34.26 =
37
36
104
103
Adrienne’s lunch cost $13.16. She hands the cashier $20. About how much change does Adrienne receive?