You are making several purchases from the B-Better Electronics store. You can buy from this store online or in a physical store.
2 answers:
Answer:
The total amount of money pay at the physical store is $77.82 .
Step-by-step explanation:
As given
You are making several purchases from the B-Better Electronics store.
You can buy from this store online or in a physical store.
For physical store
1 pair of headphone cost $14.99 for each .
1 DVDs cost $13.95 for each .
1 CDs cost $9.85 for each .
Total cost of purchasing from the physical store = cost of 1 pair of headphone + cost of 4DVDs + cost of 2CDs
= $14.99 + 4 × $13.95 + 2 × $9.85
= $14.99 + $55.8 + $19.7
Total cost of purchasing from the physical store = $ 90.49
As given
You have a coupon for 20% off that can only be used in the physical store .
20% is written in the decimal form.
= 0.20
Discount price = 0.20 × Total cost of purchasing from the physical store
= 0.20 × 90.49
= $18.098
Total cost of purchasing from the physical store after discount = Total cost of purchasing from the physical store - Discount price
= $90.49 - $18.098
= $ 72.392
As given
The sales tax of 7.5% only applies to the physical store.
7.5% is written in the decimal form.
= 0.075
Salex tax price = 0.075 × Total cost of purchasing from the physical store after discount
= 0.075 × 72.392
= $ 5.4294
Total amount of money pay at the physical store = Total cost of purchasing from the physical store after discount + Sales price
= $ 72.392 + $ 5.4294
= $77.82 (Approx)
Therefore the total amount of money pay at the physical store is $77.82 .
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Answer:
The radius is 5 cm
Step-by-step explanation:
The formula for the area of a circle is :
To work out the length of the radius you would first need to divide the area of 78.5 cm by pi (pi=3.14), this gives you . This is because by dividing the area by pi we are isolating the value of the radius squared.
The final step is to work out the radius. You can do this by finding the square root of the radius squared which is 25, this gives you 5 cm. This means that the radius is 5 cm. This is because the square root is a number that when squared equals that number.
1) Divide 78.5 by pi.
2) Find the square root of 25 cm squared.
In this question pi is 3.14