The school hiking club has completed 4 out of 5 hikes so far this year. They have hiked 4.6 miles, 3.7 miles, 5.1 miles, and 2.9 miles. If their goal is to hike 20 total miles, how many miles does the last hike need to be?

1.7 miles
4.7 miles
2.7 miles
3.7 miles

Respuesta :

Answer:

there last hike i think needs to be 7.2 miles long

Step-by-step explanation: