Here, We have, Cost price of a book (CP) = N10,000 Profit percent (p%)= 15% Now, Using profit percent formula we get, P% = (Sp-Cp)/ Cp*100 15 = (Sp-10,000)/10,000*100. 15*10000=100Sp-1000000 150000+1000000=100Sp 1150000/100=Sp Sp=11500
With digits 8, 5, and 6, an odd number must end in 5. So far, we have _ _ 5. The 8 is in the hundreds place. Now we have 8_5. The only place left for the 6 is the tens place. The number is 865.