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Natalija [7]
3 years ago
14

You are at a grocery store and are trying to decide which box of popcorn you should buy. Pop Secret has 5 packets that costs $3.

28. Jiffy Pop has 7 packets and costs $4.99. Which is the better deal? Show your work and explain your answer in complete sentences.
Mathematics
2 answers:
Basile [38]3 years ago
6 0

Answer:

Pop Secret

Step-by-step explanation:

We need to know how much each packet costs for the two brands.

Divide the total cost by the number of packets.

3.28 divided by 5   =   .66

and

4.99 divided by 7    =   .71

So, the better deal is Pop Secret because their packets are .05 cheaper.

Another way to look at it,....  if you were to buy 7 of the Pop Secret at .66 ea., you'd spend $4.60 compared to buying 7 of the Jiffy Pop (at .71 ea.) for $4.99 - a savings of .39.

Alex_Xolod [135]3 years ago
3 0

Answer:

shush

Step-by-step explanation:

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Answer:

2x + 3y = 6

Step-by-step explanation:

2x + 3y = 6

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3y/3 = -2x + 6/3

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How do I solve -(x+7)-5=4(x+3)-6x
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3 years ago
For the figures below, assume they are made of semicircles, quarter circles and squares. For each shape, find the area and perim
ICE Princess25 [194]

Answer:

Part a) The area of the figure is \frac{9}{2}(4+\pi )\ cm^{2}

Part b) The perimeter of the figure is 3(2+2\sqrt{2}+ \pi)\ cm

Step-by-step explanation:

Step 1

Find the area of the figure

In this problem we have that

The figure ABC is the half of a square and the other figure is a semicircle

<u>Find the area of the figure ABC</u>

we have

AB=6\ cm, BC=6\ cm

The area of the half square ABC is equal to find the area of triangle ABC

so

A1=\frac{1}{2}*6*6=18\ cm^{2}

<u>Find the area of the semicircle</u>

The area of the semicircle is equal to

A2=\pi r^{2}/2

we have that

r=6/2=3\ cm

substitute

A2=\pi (3)^{2}/2

A2=(9/2) \pi\ cm^{2}

The area of the figure is equal to

18\ cm^{2}+(9/2) \pi\ cm^{2}= \frac{9}{2}(4+\pi )\ cm^{2}

Step 2

Find the perimeter of the figure

The perimeter of the figure is equal to

P=AB+AC+length\ CB

we have

AB=6\ cm

Applying Pythagoras theorem

AC=\sqrt{6^{2}+6^{2}}\\AC=6\sqrt{2}\ cm

Remember that

the circumference of a semicircle is equal to

C=\frac{1}{2}2\pi r=\pi r

r=6/2=3\ cm

C=\pi(3)

C=3 \pi\ cm

The perimeter of the figure is equal to

P=6\ cm+6\sqrt{2}\ cm+3 \pi\ cm

Simplify

P=3(2+2\sqrt{2}+ \pi)\ cm

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nikklg [1K]

Answer:

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Step-by-step explanation:

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