A snail is at the bottom of a 10 ft wall. Each day it climbs up 3 ft. Each night it slides back down 1 ft. On which day will it reach the top of the wall?

Question

anonymous · Answer

in one day distance covered=3-1=2ft
let it take x days.Then
2x=10
x=?

anonymous · Answer

the net rate is 2 ft/day. 8/2 is 4th day. so on the 5th day it will be out of top of the wall

anonymous · Answer

A.
21,149
 
 B.
15,120
 
 C.
741
 
 D.
721

anonymous · Answer

A.
21,149
 
 B.
15,120
 
 C.
741
 
 D.
721

anonymous · Answer

Esther starts at one corner of a square field and walks 90 feet along one side to another corner of the field. She turns 90° and walks 70 feet, and then walks straight back to where she started. 
 
What is the area of the part of the field she walked around?
 
 A.
3150 ft²
 
 B.
4900 ft²
 
 C.
6300 ft²
 
 D.
8100 ft²