document.write( "Question 1044342: A weather balloon climbs 4800 metres in half an hour, at a uniform rate. As it climbs the temperature drops at an average rate of 1.8 degrees Celcius for every 300 metres climbed. \r
\n" ); document.write( "\n" ); document.write( "a. What is the rate at which the balloon is climbing in metres per mintue?
\n" ); document.write( "b. Express your answer to (a) in kilometres per hour
\n" ); document.write( "c. Find the temperature at 4800 metres, to the nearest degree, if the temperature at ground level is 25 degrees Celcius.
\n" ); document.write( "

Algebra.Com's Answer #659612 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Unit conversions happening\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%28%284800%2F0.5%29%28meters%2Fhours%29%2C%281.8%2F300%29%28degC%2Fmeters%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(a)
\n" ); document.write( "\"%284800%2F0.5%29%28meters%2Fhours%29=highlight%289600%28meters%2Fhour%29%29\"
\n" ); document.write( "\"9600%28meters%2Fhour%29%281%2F60%29%28hours%2Fminutes%29\"
\n" ); document.write( "\"highlight%28160%28meters%2Fminute%29%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(b)
\n" ); document.write( "You can do this one.
\n" ); document.write( "1000 meters is 1 kilometer\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(c)
\n" ); document.write( "What is the temperature change from 25 degrees C?
\n" ); document.write( "Ground level is 0 meters.
\n" ); document.write( "4800 meters is at which temperature?
\n" ); document.write( "-
\n" ); document.write( "Drop size of temperature, \"4800%2Ameters%2A%28-1.8%2F300%29%28degC%2Fmeters%29\"
\n" ); document.write( "\"-28.8%2AdegC\", really negative 29 degrees C.
\n" ); document.write( "-
\n" ); document.write( "\"25-29=highlight%28-4%2AdegreesC%29\"
\n" ); document.write( "
\n" );