Question

Lily swims a 100-meter race. She swims the first half in 27.8 seconds. She swims the second half in 30.12 seconds. About how long does it take Lily to swim the whole race? Choose the best estimate.

Answer 1

57.92 BUT ESTIMATED 58 sorry for caps hth <3

Explanation:

Answer 2

27.8 is close to 28 and 30.12 is close to 30. So you will add 28+30 then your answer would be 58.Hope this helped you