You need to buy 30 pounds of hamburger and 15 packages of buns for a staff-appreciation picnic. You have 2 options for hamburger
and 2 options for buns, shown below. In addition, you have a 10%-off coupon that can be used on either the hamburger or the buns, but not both, after any other discounts are applied. What is your best cost, including tax of 5% of the purchase price after all discounts, rounded to the nearest $0.01?
2 answers:
We have to determine the best cost after all discounts and tax.
Hamburger:
1 pound of Open Acres = $2.39
30 pounds of Open Acres =
10% off is provided if we buy at least 10 pounds of Open Acres, we bought 30 pounds. So, we get 10% off.
10% off on 30 pounds of Open Acres Hamburgers = 10% of $71.7
=
Total cost of 30 pounds of Open Acres Hamburgers = $71.7 - $7.17
=$64.53
Buns:
1 packet of Burly buns = $1.93
15 packets of Burly buns =
=$28.95
5% off on 15 packets of Burly buns = 5% of $28.95
=
Total cost of 15 packets of Burly buns = $28.95 - $1.4475
=$27.50
Now, according to the question, a 10%-off coupon that can be used on either the hamburger or the buns, but not both, after any other discounts are applied.
Let us apply 10% off applied on Hamburgers:
10% of $64.53
=
Now, total cost of hamburgers after all the discounts = $64.53-$6.453
= $58.077
And total cost of Buns after all the discounts = $27.50
Total price of hamburgers and buns = $58.077 + $27.50
= $85.577
5% tax applied on total price of hamburgers and buns = 5% of $85.577
= $4.28
Best cost on the purchase of hamburgers and buns = $85.577 + $4.28
= $89.857
Rounding to the nearest hundredth dollar, we get
Best cost on purchase of 30 pounds of hamburgers and 15 packets of buns after all discounts and tax = $89.86
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Answer:
Step-by-step explanation:
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found on your calculator. Because this is a special angle in a right triangle, we can also say, by looking at a 60 degree reference angle that the side across from the angle measures square root of 3, and the hypotenuse measures 2. So in terms of a radical,
If we don't know the angle, we use the 2nd button on our calculator to find it. For example, if our problem looked like this:
,
we are asked what angle has a sin ratio of 1/2. We find this angle by pressing the 2nd button on our calculator, then the sin button and you will see this on your screen:
Enter either a .5 or a 1/2 after that open parenthesis and hit enter and you'll get the angle measure. That's how you use the inverses to solve for missing angles.