\( 11: 26 \)
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QUESTION
In a contest run by a store, each customer whose purchase
exceeds \( \$ 100 \) is allowed to draw a discount coupon from a jar. At the beginning of the contest, the jar contains 30
slips for a \( 5 \% \) discount, 15 slips for an \( x \% \) discount, and 5 slips for a \( 15 \% \) discount. If the expected value of the first draw from the jar is \( 6.6 \% \), the value of \( x \) is .
At one point in the contest, the jar contains 4 slips for
a \( 5 \% \) discount, y slips for an \( x \% \) discount, and 2 slips for a \( 15 \% \) discount. If the expected value on the next draw is \( 8 \% \), the value of \( \mathrm{y} \) is.
Submitted by Alexander B. ? Oct. 25, 2021 \( \cdot \) 05:48 p.m.
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