The cost of 2 bananas at x dollars each and 5 apples at 4 dollars each is 28 dollars

Mathematics

1 answer:

galina1969 [7]3 years ago

8 0

Answer:

4 dollars

Step-by-step explanation:

5 apples × 4 dollars = 20 dollars

28 dollars - 20 dollars = 8 dollars

8 dollars ÷ 2 bananas = 4 dollars

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Target sells 24 bottles of water for $3, and 36 bottles of water for $4. Which is the better buy and by how much?

pishuonlain [190]

Answer:

D) 36 bottles for $4 by 1.4¢ per bottle

Step-by-step explanation:

We calculate bottle per dollar for each option.

Bottles/Dollar= $\frac{24\ bottles}{\$3}=8$ bottles/dollar

#Both B and C charges the same as A and will have bottle/dollar ration of 8:1

$=\frac{36}{4}\\\\=9$

Hence, D is the better buy as it gives you 9bottles per $1 spent as compared to the 8 bottles per $1 spent as in the other 3 options.

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4 years ago

What graph best represents the solution to the equality y - 2x > -8

Ne4ueva [31]

Answer:

<h2>In the attachment</h2>

Step-by-step explanation:

$y-2x>-8\qquad\text{add}\ 2x\ \text{to both sides}\\\\y>2x-8\\-------------------------\\\\-\ dotted\ line\\\leq,\ \geq-\ solid\ line\\,\ \geq-\ shading\ above\ the\ line\\-------------------------\\\\y=2x-8-\text{It's a linear function.}\\\text{We only need two points to draw a graph.}\\\text{Choice two arbitrary values of x, substitute to the equation,}\\\text{and calculate the values of y}.\\\\for\ x=4\to y=2(4)-8=8-8=0\to A(4,\ 0)\\for\ x=0\to y=2(0)-8=0-8=-8\to B(0,\ -8)$