The regular price of a book is $20.00. The bookstore is currently offering a 15% discount. What is the sale price of the book?

Mathematics

2 answers:

Ket [755]3 years ago

4 0

Answer:

$17.00

Step-by-step explanation:

15% discount means 100-15 = 85% of the price is to be paid

85/100 × 200 = 17

Klio2033 [76]3 years ago

3 0

Answer:

Step-by-step explanation:

Find the discount

discount = original price * 15%

= 20*.15 =3

Subtract the discount from the original price

20-3 = 17

The sale price is 17

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$1800|2\\.\ 900|2\\.\ 450|2\\.\ 225|5\\.\ \ 45|5\\.\ \ \ 9|3\\.\ \ \ 3|3\\.\ \ \ 1|\\\\1880=2\cdot2\cdot2\cdot5\cdot5\cdot3\cdot3=2^3\cdot5^2\cdot3^2\\\\Answer:\ \boxed{2^3\cdot3^2\cdot5^2}$

$\sqrt[3]{320}\\\\320|2\\160|2\\.\ 80|2\\.\ 40|2\\.\ 20|2\\.\ 10|2\\.\ \ 5|5\\.\ \ 1|\\\\320=2\cdot2\cdot2\cdot2\cdot2\cdo2\cdot5=2^3\cdot2^3\cdot5=2^3\cdot2^3\cdot\\\\\sqrt[3]{320}=\sqrt[3]{2^3\cdot2^3\cdot5}=\sqrt[3]{2^3}\cdot\sqrt[3]{2^3}\cdot\sqrt[3]{5}=2\cdot2\sqrt[3]{5}=4\sqrt[3]5\\\\Answer:\ \boxed{\sqrt[3]{320}=4\sqrt[3]{5}}$