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pav-90 [236]
3 years ago
6

Check my answer? Will Upvote!

Mathematics
1 answer:
lana [24]3 years ago
7 0

Answer:

The answer to your question is about 5.5 hours.

Step-by-step explanation:

The equation is y = 35(3x)

Data

# of bacteria = 550 = y

time = ? h

    Then    550 = 35(3x)                         substitution

                 550 = 105x                           simplifying

                x = 5.23 h.

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In order to solve this, you have to plug in all of the costs of the gifts and add them, which in all equals $36. since jim only has 1/4 of the money he needs to buy the gifts, you need to divide 36 by 4. this gives you 9, so now you know he has 9 dollars.
and to find out how much more money he needs, you can subtract 9 from 36 which represents a fourth of the required money. the answer is 27, that's how much jim needs in order to buy his gifts.
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