3 years ago

THE ANSWER IS 6!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

5 0

Answer:

6!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

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lbvjy [14]

The normal price of each cookie is $1.15 derived from the equation, c =today price of each cookie + 0.75

<u>Solution:</u>

Given, Today each cookie costs 0.75 less than the normal price.

Right now if you buy 7 of them it will only cost you 2.80

We have to write an equation to determine the normal price of each cookie(c)

And, we are given that, today 7 cookies cost 2.80

Let the cost of one cookie today be “n”

Then we get,

Today 7 cookies ⇒ 2.8

Then, 1 cookie ⇒ n

By criss cross multiplication we get,

$\begin{array}{l}{7 \times n=2.8 \times 1} \\\\ {\rightarrow 7 n=2.8} \\\\ {\rightarrow n=0.4}\end{array}$

Which means that, each cookie costs $0.4 today

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<em>normal price of each cookie, c = today price of each cookie + $ 0.75 </em>

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