find the single discount equivalent to successive discount of 13% and 15%
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For this type of question
u should use this trick formula
d1+d2+ (d1xd2)/100
whereas there has been talking about discount therefore both 13% and 15% will be negative
So,
= -13 - 15 +(-13 × -15) /100
= -28 + 195/100
= -28 +1.95
=> -26.05
i.e single discount is 26.05%
u should use this trick formula
d1+d2+ (d1xd2)/100
whereas there has been talking about discount therefore both 13% and 15% will be negative
So,
= -13 - 15 +(-13 × -15) /100
= -28 + 195/100
= -28 +1.95
=> -26.05
i.e single discount is 26.05%
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