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Comparing quantities, *100, *100 - Coggle Diagram
Comparing quantities
some other formulae
SP= Marked price- Discount
MP= SP + discount
Discount= Discount% of MP
Discount=MP-SP
Sales tax= TAX% of original price
Bill amount= Sales tax% of original price
When
Profit is given sp>cp
gain%=gain/cp*100
C.P=(100)/100+gain% *sp
S.P=(100+gain%)/100*cp
Gain=sp-cp
Loss is given cp>sp
S.P=(100-loss%)/100*cp
C.P=(100)/100-loss% *sp
loss=cp-sp
loss%=loss/cp*100
Ratio
Comparing to quantities
1/4
1:4
Decrease% or increase%
Decrease
Original number
Increase
Original Number
Interest
Simple interest
SI=P×T×R /100
Amount= P+SI
Compound interest
A=P(1=R/100)n
If rate of interest is different
A=P(1+r/100)n (1+q/100)
When time is in fraction and compounded annually
A=P(1+R/100)n (1+n×R/100)
Amount after n years compounded half year
A=P(1+R/2×100)2n
Compounded quarterly
A=P(1+R/4×100)4n
Percentage
To convert
Ratio to percentage
1/4 *100
25%
Percentage to ratio
25%
25/100=1/4
*100
*100