Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total r

Question

Minchanka [31]

2 years ago

6

Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total r

owing time is 48 min, for how long does she row upstream? Express your answer to the nearest minute.

Mathematics

2 answers:

sergey [27] · Answer 1 · 2022-07-04T04:54:56+03:00

sergey [27]2 years ago

7 0

Answer:

about 26.

Step-by-step explanation:

Akimi4 [234] · Answer 2 · 2022-07-04T02:50:26+03:00

Akimi4 [234]2 years ago

5 0

<span>Find the round trip distance:
4.95 km/hr * 48 min * 1 hr/60 min = 3.96 km
1.98 km each way

d = r*t
t = d/r = 1.98/4.5
t = 0.44 hrs upstream
t = 26.4 minutes upstream</span>