if price of t.v set is reduced by 18%, then its sale increases by 72%, find net effect on sale value
Answers
A) 41	B) 45	C) 46	D) 47	E) 48
- a + b + ((-a)(b)/100)   = -18+72+(-18*72)/100   = -18+72-13= 
<gadget id="calculator">-18+72-13</gadget>
<output>41</output>
41   41NSWER:41
<result>A</result>
if price of t.v set is reduced by 18%, then its sale increases by 72%, find net effect on sale value