<em>One ton is equal to 2,000 pounds, so 7 tons 400 lbs is equal to 14,400 lbs(7 × 2,000 + 400), and 4 tons 1,800 lbs is equal to 9,800(4 × 2,000 + 1,800).</em>
Subtract 9,800 from 14,400.
14,400 - 9,800 = 4,600
<h2>Answer:</h2>
<u>The first elephant weighs </u><u>4,600 lbs more</u><u> than the second elephant.</u>