Loading [MathJax]/jax/output/SVG/jax.js
 
+0  
 
0
1169
8
avatar+37 

 steve can 40m every 2min how many cm can he run in a century

 May 12, 2015

Best Answer 

 #5
avatar+4711 
+15

$LetshopeStevehashighstaminaSo40meverytwominutes(2×30=60minutes)so40m×30=ahour=1200meters$1200meters×24foraday=28000meters$$28000×365forayear=10512000meters$10512000misayear,acenturyis100years10512000m×100=1051200000mConvert1051200000mintocentermeters=105120000000cmYouransweris105120000000cm

 

 

You beat me to it!

 May 12, 2015
 #1
avatar+4711 
+11

$LetshopeStevehashighstaminaSo40meverytwominutes(2×30=60seconds)so40m×30=aminute=1200meters$1200meters×60forahour=72000meters$$72000×24foraday=172800meters(hereswhereitgetsbig)$172800×365forawholeyear=630720000m630720000misayear,acenturyis100years630720000m×100=63072000000mConvert63072000000mintocentermeters=6307200000000cmYouransweris6307200000000cm

.
 May 12, 2015
 #2
avatar+33654 
+10

40 metres every 2 minutes is only 20 metres in one minute MG, not 1200 metres!

.

 May 12, 2015
 #3
avatar+4711 
+5

@Alan, don't you get the same answer?

 

40m/2min

20m/1min

 

2*30=60

40*30=1200

 

1*60=60

20*60=1200

 

 

EDIT: It appears i have confused myself on the first bit i meant for an hour not minute I'll fix that.

 

Thanks Alan.

 May 12, 2015
 #4
avatar+33654 
+5

20 metres in 1 minute = 20*60 metres in one hour = 20*60*24 metres in one day = 20*60*24*365 metres in one year = 20*60*24*365*100 metres in one century = 20*60*24*365*100*100 centimetres in one century

 

20×60×24×365×100×100=105120000000

.

 May 12, 2015
 #5
avatar+4711 
+15
Best Answer

$LetshopeStevehashighstaminaSo40meverytwominutes(2×30=60minutes)so40m×30=ahour=1200meters$1200meters×24foraday=28000meters$$28000×365forayear=10512000meters$10512000misayear,acenturyis100years10512000m×100=1051200000mConvert1051200000mintocentermeters=105120000000cmYouransweris105120000000cm

 

 

You beat me to it!

MathsGod1 May 12, 2015
 #6
avatar+33654 
+3

I've given you some points anyway!

.

 May 12, 2015
 #7
avatar+118696 
+5

It doesn't matter MG,

Who would lant to count all those cm anyway!   Plus you got it our eventually  

Thanks Alan 

 May 13, 2015
 #8
avatar+4711 
+5

MathsGod1 May 13, 2015

5 Online Users

avatar