Answer:
D.$315
Step-by-step explanation:
$450=100%
100%-20%-10%=70%
$450×70%=$450×70/100
=$315
Product means multiplication. Since it's asking you to write an algebraic expression with a variable, w, the answer is 737w.
Answer:
B
explanation:
I am sorry that I am not sure how to expalin but this is the correct answer.
Hopefully this makes sense!