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Marta_Voda [28]
3 years ago
13

Felicity needs to buy 3 dozen cookies for a party. The first 16 cookies cost $0.28 each. The rest cost $0.19.

Mathematics
2 answers:
Bezzdna [24]3 years ago
5 0

Answer:$8.28

Step-by-step explanation

Multiply 16x0.28 you will get $4.48 then

you Multiply 20x0.19 you get 3.8 also known as 3.80 you add

3.80+4.48+$8.28

VLD [36.1K]3 years ago
3 0

Answer: $8.28

Step-by-step explanation: 3 dozens are 36 cookies. The first 16, $0.28 each will be $4.48. The rest will cost $0.19 each so $0.19 x 20 = $3.80

$4.48 + $3.80 =

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Answer:

45

Step-by-step explanation:

This is a trick question. Since they only get three purchases in by 7 weeks, the answer will be 15 times 3 or 45.

(If I'm wrong and it's not a trick question, then it's 15 times 3.5 or 52.5)

Hope this helps!

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Oksanka [162]

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8 0
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Each course at a community college is worth 1 or 2 credits. A group of students is taking a total of 16 courses that are worth a
Anuta_ua [19.1K]

Answer:

They  are taking 12 2 credit courses

The are taking 4  1 credit courses

Step-by-step explanation:

x = 1 credit courses

y = 2 credit courses

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x+y = 16

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1x+2y=28

Subtract the first equation from the second equation

x+2y =28

-x-y=-16

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y = 12

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We still need to find the 1 credit courses

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x+12= 16

Subtract 12 from each side

x-12-12 = 16-12

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The are taking 4  1 credit courses

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A is the answer I would say
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