Answer:
36.67
Step-by-step explanation:
11/5=2.2
let the unknown no be x
6% of x=2.2
6/100 * x = 2.2
6x = 2.2*100
x = 220/6
x= 36.67
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
Answer:
15.
Step-by-step explanation:
The new average will be 11 + 4 = 15.
D. 70% because 45/75=0.6 or 60% and 60% doesn't equal to 70%
Hope this helps!!