1) add 15d to both sides
200<span><80+15d
2) takeaway 80 from both sides
120</span><span><15d
3)divide by 15 to solve the inequality
8</span><span><d</span>
65% is the answer you’re looking for :)
If the width is 3 on each side, that is 3 + 3 = 6.
26 - 6 = 20.
There are two sides left: 20 divided by 2 = 10.
10+10+3+3 = 26.
The length is 10.
Basically you are finding the volume of a rectangular prism of 3 by 2 meters cross section and 30 meters length. Volume = (3 m)(2 m)(30 m) = 180 cubic meters.
If 60% of the water has evaporated, 40% is left. Find 40% of 180 cubic meters to answer the 2nd part of this question.