Question

what single discount is equivalent to two successive discounts of 15% and 7% ?

Answer 1

test it out

15% of $100 = $15 then 7% of 85 = $5.95

the successive discounts are the same as a discount of 20.95%

Answer 2

There is another simple technique u want to calculate the single discount rate for two successive discount so u can use this formula

\[(15 + 7) - \left(\begin{matrix}15 \times 7 \ \over \ 100\end{matrix}\right) = 22 - 1.05 = 20.95\]

Answer 3

- so i think will be 15% + 7% =22%