Answer:
The total cost =$22
Step-by-step explanation:
Given the original price of the item is $25.
On this item there is a 20% discount which is 
=$5.
So the discounted price of the item is 25-5=$20.
Now sales tax is the amount paid by the retailer to the governing body from the money he received through the customer.
The retailer receives $20.
sales tax rate=10%
sales tax=
=$2.
The total cost of the item=discounted price + sales tax=$20+$2=$22
Answer:
$11 sales tax per $200
Step-by-step explanation:
1375/25,000 = 11/200
4/3 + 3/4
Make the denominator the same: 12
16/12 + 9/12
= 25/12
Turn that into a mixed number:
= 2 1/25
Answer:
143
Step-by-step explanation:
lets make a fraction:
so
91 oil changes/7days
lets take "x" as the unknown # of oil changes:
so
x/11
91/7=x/11
we can cross multiply:
91*11=7*x
1001=7x
143=x
so 143 oil changes in 11 days
Hope this helps!
Answer:
H0 : P ≤ 0.12
H1 : P > 0.12
Step-by-step explanation:
12% = 12/ 100 = 0.12
Given the population proportion, P = 0.12
The claim is the alternative hypothesis, H1 ; which is to test if more than 12% of trees have been infested.
Hence, the alternative hypothesis will be ;
H1 : P > 0.12
The null hypothesis which is the initial truth is always the opposite of the alternative hypothesis, Therefore, we write our null as ;
The null hypothesis ; H0 : P ≤ 0.12
Therefore, we have :
H0 : P ≤ 0.12
H1 : P > 0.12
