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natulia [17]
3 years ago
7

Jatonia sold n cups of lemonade at her stand for 0.75 each. She made a total of 18.00. Write an equation to express how many cup

s of lemonade she sold.
Mathematics
2 answers:
jok3333 [9.3K]3 years ago
8 0
0.75n=18.00

You see, you would have to see how many cups she sold and by doing that you have to divide .75 by 18.00 to represent that you put n with the .75 and that causes you to need to get n alone so you divide .75 from 18 and get your answer
Luba_88 [7]3 years ago
6 0
$18 divided by $0.75 =24

She sold 24 cups of lemonade, and your equation looks like this:

$18 ÷ $0.75 = 24


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Given:

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Solution:

We have,

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The formula of sum of first n terms of an AP is

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Putting S_{15}=292.5, n=15 and a=2 in the above formula, we get

292.5=\dfrac{15}{2}[2(2)+(15-1)d]

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