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3 years ago

The sale price of an item is $45 after a 40% discount is applied. What is the original price of the item?

Mathematics

2 answers:

MrRissso [65]3 years ago

8 0

Diving the sales price by 60% (100-40) will obtain the original price.
$45/60% = $75 was the original sales price.

Kamila [148]3 years ago

5 0

If u got a 40% discount, then u actually paid 60%..

60% of the total price is 45
0.60x = 45
x = 45 / 0.60
x = 75 <== original price

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The total cost of the skate board is $74.61.

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Given, Luis wants to buy a skateboard that usually sells for $79.99. all merchandise is discounted by 12%. luis has to pay a state sales tax of 6.75%.

We need to find what is the total cost of the skateboard.

Final cost is nothing but original amount subtracted by discount and added with tax.

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$\begin{array}{l}{=12 \% \times 79.99} \\\\ {=\frac{12}{100} \times 79.99} \\\\ {=\frac{959.88}{100}} \\\\ {=9.5988}\end{array}$

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$\begin{array}{l}{=6 \% \times \text { (original cost - discount) }} \\\\ {=\frac{6}{100} \times(79.99-9.6)} \\\\ {=\frac{6}{100} \times(70.39)} \\\\ {=\frac{422.34}{100}} \\\\ {=4.2234}\end{array}$

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= 84.21 - 9.6

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Hence, the total cost of the skate board is $74.61

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