Question

what is the formula of simple interest and cmpound interest and cost price and selling price

Answer 1

si-p*r*t/100,ci-a*p(1+r/100)to the power n then find the amount and subtract it from the principle to get ci ,a is amount,cost price-sp-p and sp-cp-loss

Answer 2

S I is p×r×t/100
a is p(1+r/100)n at top which means time
cp is cost price
sp is selling price
ci is firtly find amount then subtract it with principle