If a machine consumes k/5 kilo watts of power every t hours, how much power in kilowatts, will three such machines consume in 10 hours ?

• A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>k</center></td></tr><tr><td style="text-align: center;">t</td></tr></table>
• B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6t</center></td></tr><tr><td style="text-align: center;">k</td></tr></table>
• C. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>6k</center></td></tr><tr><td style="text-align: center;">t</td></tr></table>
• D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>t</center></td></tr><tr><td style="text-align: center;">k</td></tr></table>