<span><span>A cargo plane flew to Moscow and back. It took six hours longer to go there than it did to come back. The average speed on the trip there was 152 mph. The </span></span><span>average speed on the way back was 380 mph. How many hours did the trip there take? (x + 6)152 = 380x 228x = 912 x = 4 The trip there took 10 hours.</span>
<span>If Kyla sent out all her invitations thru mailing and was left out with 12, then there were 8 invitations already mailed. If there were other means she used in sending out like personally visiting her friends and handing over a copy, then invitations already mailed is a number less than 8.</span>