If pablo does a experiment 100 times, will the relative frequency be more accurate or less accurate than if he did the experiment 40 times Why?

It would be more accurate because it would have been done more times and would have been given a better chance to find the experiments accuracy.

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20