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anonymous
 4 years ago
Write a proportion that can be used to find the cost of 10 notebooks if 3 notebooks cost $1.98:
A. 3/$1.98 = 10/n
B. 10/$1.98 = n/3
C. 10/3 = $1.98/n
D. 3/10 = n/$1.98
Please help! (:
anonymous
 4 years ago
Write a proportion that can be used to find the cost of 10 notebooks if 3 notebooks cost $1.98: A. 3/$1.98 = 10/n B. 10/$1.98 = n/3 C. 10/3 = $1.98/n D. 3/10 = n/$1.98 Please help! (:

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0This is an easy question on proportion. 3 notebooks = $1.98 so logically speaking, 10 notebooks should cost more. Let x be number of notebooks Let y be cost of notebooks. Therefore, y = kx since it is directly proportional. $1.98 = k(3) Find the value of k. Now, what is the unknown? ANS: The cost of 10 notebooks y = (value of k ) (10) therefore, the cost of 10 notebooks =...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well, out of the multiple choice is that there? And I will tell you the answer in just a second.
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