Hey there :)

↓ Is the same as

÷

Since it is a division by fraction, we can multiply by what is called the reciprocal
( The attached picture might help you )
(

) ×
↓ For this part, we need the common denominator, which is 6

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×


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↑
Your final answer
Answer:
-150
Step-by-step explanation:
x^2 - 7x^2 - 18x +42
3^2 - 7(3)^2 - 18(3) + 42
9 - 63 - 54 + 42
-54 -54 + 42
-108 + 42
-150
100% + 15% = 115% -> 1.15 (multiplier)
Jeans before sale = $11.50 * 1.15
=$1322.50
Please make this answer the brainiest.