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Hunter-Best [27]
3 years ago
10

Carlos is half as old as Andre Andre is 15 years older than Carlos how old is Andre

Mathematics
2 answers:
Leokris [45]3 years ago
7 0

Answer:

30 years old

Step-by-step explanation:

Let the two ages be A and C.

Then C = (1/2)A, and A = C + 15.

Substitute C + 15 for A in C = (1/2)A:

C = (1/2)(C + 15), or   2C = C + 15.

Then C = 15, and A = C + 15 becomes  A = 15 + 15, or  A = 30.

kvasek [131]3 years ago
4 0

Answer:30

Step-by-step explanation:

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Joe has four notes in his wallet. The total value of the notes is $75. Which type of note is not in Joe's wallet?
Sergio039 [100]

Answer:

$ 20

Step-by-step explanation:

Given that,

No. of notes Joe has = 4

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From the given notes, 4 notes that can make the sum of 75 would be

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Thus, the note that would not be included in the total value would $20 note as if we add it either the sum would be greater or lesser with four notes in combination.

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3 years ago
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Answer:

Answer is C.Whole number.

Step-by-step explanation:

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I hope it's helpful!

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2 years ago
Use a proportion if two cassettes cost $14.50 How much will 15 cost
aev [14]
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Multiply by 15 to solve
   15*($14.50/2) = x = $108.75

15 cassettes will cost $108.75.
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Step-by-step explanation:

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2 years ago
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Savatey [412]

Answer:

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Step-by-step explanation:

this is how i did it though:

12(a+b)

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