Vlad and Roma are friends and they arestudying in same school
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Present day, teacher thought a new lesson 'comparing quantities'
Hey Romacome here
After school got over Vlad called Roma
Roma is week in mathematicshe usually scores less marks in maths
So Vlad decided to teach the concept to Roma
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What?
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I will teach you maths today come to park
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Compound interest is the interest calculated on the principal and the interest accumulated over the previous period. It is different from simple interest, where interest is not added to the principal while calculating the interest during the next period. In Mathematics, compound interest is usually denoted by C.I.
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what is compound interest?
I will teach you to solve problems in each concept and I will tell what is compound interest
Ok Thank you Vlad I will to park
They both came to parkVlad started to teach roma
Eg :C.P=840 S.P=714 = 840-714 =126
For finding discount we have a formuladiscount=C.P-S.P
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See Roma we have 3 main concepts in comparing quantities1.Discount2.Percentage3.Compound interest
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Vlad: I hope you understand the concept well
Roma :Ya, Thanks Vlad for teaching me
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17/40=.425*100%=42.5%
For finding percentage we have a formulaP=PARTS/WHOLE*100%