Answer:
<u>After a 75% increase, it would become</u>
x + 75%x = x + 0.75x = x(1 + 0.75) = 1.75x
<u>After a 50% decrease, it would become</u>
1.75x - 50%(1.75x) = 1.75x - 0.5(1.75x) = 1.75x - 0.875x = 0.875x = 
Because
is less than x, the new amount would be less than the original.
Find Total weight at left side

Now
Per block weight at right side

Do 910*70 = 63700 The actual answer is 60,836 so it is pretty close
Answer:
2x²y³
<em>good luck, i hope this helps :)</em>