A yacht sailed at a steady speed for 1.8 hours, passing a cruise ship that was traveling at 25 kilometers per hour. During that time, the yacht traveled 81 kilometers. What was the
yacht's speed?
Write your answer as a whole number.
kilometers per hour

HELPP

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

i really dont know but i will try okay.

so i think u would just add all them up and get your answer..