Your answer would be a=-6.12
Answer:
There is no way it can equal 360 since 60+120+150+75=405? Was it a typo?
Step-by-step explanation:
Answer:
She paid 9% of sales tax
Step-by-step explanation:
The sale price of diamond = $375
Let x be percent of sales tax
So, amount of tax = 
So, Amount including tax = 375+3.75x
We are given that Bethany paid $408.75 for a pair of diamond stud earrings.
So, 375+3.75x=408.75
3.75x=408.75-375

x=9
Hence She paid 9% of sales tax
look it up
Step-by-step explanation: