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3 years ago

At the beginning of the year, John had $40 in savings and saved an additional

Mathematics

1 answer:

ozzi3 years ago

8 0

Answer:

J= 40+13t

I= 80+9t

they are equal at 10 weeks

Step-by-step explanation:

So we can start this by writing our equations

J= 40+13t

I=80+9t

To figure out when they're equal set the two equations equal to each other and solve for t

40+13t=80+9t

subtract 40 and 9t from both sides to get

40=4t

divide by 4 and get

t=10

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The correct question in the attached figure

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