Sum is add
sum of x and 2 means x+2
nothing to it
Hey I'm in 6th too, Simplify means to solve the prob
9 is the answer for that problem
62400 is what percent of 156000
<span>= 62400 / 156000 </span>
<span>= 0.4 </span>
<span>Converting decimal to a percentage: </span>
<span>0.4 * 100 = 40%</span>
