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3 years ago

6

Kayla has $50 Nina has $80 in how many months will they both have the same amount of money if Kayla saves $50 per month and Nina

saves $40

2 answers:

Zarrin [17]3 years ago

8 0

Well first you need to make a graph and add how many months on the side and multiply until you get to the according amount of months hope this helps

inessss [21]3 years ago

7 0

The answer is 8 months. 50*8=400 and 80+40+40+40+40+40+40+40+40=400

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Answer:

x+y=52
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Step-by-step explanation:

The sum of the two costs is $52, so we can write ...

x + y = 52

The shoes cost $4 more than the jacket, so we can write ...

x - y = 4

These are your system of equations.

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Subtract the second equation from the first:

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strojnjashka [21]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Strontium-90 has a half-life of about 29 years. After 65 years, about how many grams of a 25-gram sample will remain?

konstantin123 [22]

Answer:

Ending Amount = Beginning Amount / 2 ^ n

where 'n' = number of half-lives n = 65 / 29 = 2.2413793103

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Step-by-step explanation:

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