# joebob

+1
74
1
+192

### If you walk for 1.5 hours at 3 mph, how fast should you run during the next 0.5 hours to have the average speed of 4 mph?

joebob  Dec 26, 2017
+1
67
1
+192
joebob  Nov 12, 2017
+1
131
2
+192
joebob  Nov 4, 2017
+4
198
3
+192
joebob  Nov 4, 2017
+4
111
1
+192

### 125m on the ground corresponds to 2.5 cm on a map. What is the actual distance between two objects if they are 4.2 cm apart on the map?

joebob  Oct 22, 2017
+4
181
2
+192

### The Neva River in St. Petersburg, Russia, is 74 km long. How long is it on a map drawn at a scale of 1:2,000,000?

joebob  Oct 22, 2017
+3
104
2
+192
joebob  Oct 8, 2017
+3
215
2
+192

### Find the gradient of the interval joiningM(4,5) and N(3,6).

joebob  Jun 15, 2017
+4
244
1
+192

### Driving at 80km/h a car takes 5 hours to travel between two towns.

joebob  Apr 24, 2017
+3
178
1
+192

### A concreter charges \$80 per m2 to lay a slab of a certain thickness.

joebob  Apr 17, 2017
+4
253
6
+192
joebob  Apr 16, 2017
+6
203
1
+192
joebob  Apr 13, 2017
+4
244
1
+192

### what is the answer? (solve for m)

joebob  Apr 9, 2017
+5
329
5
+192
joebob  Apr 8, 2017
#2
+192
+3
joebob Nov 24, 2017
#3
+192
+1
joebob Nov 4, 2017
#2
+192
+3
joebob Oct 22, 2017
#2
+192
+2
joebob Oct 8, 2017
#2
+192
+1
joebob Sep 20, 2017
#3
+192
+4
joebob May 13, 2017
#1
+192
+2
joebob May 13, 2017
#2
+192
+3
joebob Apr 17, 2017
#4
+192
+3
joebob Apr 16, 2017