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vichka [17]
3 years ago
8

Johanna uses 40 sheets of paper in 4 days. Her sister uses twice as much of paper in half the number of days. How many times mor

e paper does her sister use.(please show work.)
Mathematics
2 answers:
Masteriza [31]3 years ago
7 0
Hmm, I think you would take 40 and multiply it by 2 because her sister used "twice as many". Then I'm pretty sure you would take your answer from that and divide it by 2 because she used that amount of paper in "half the number of days"?

40 x 2 = 80 all together used
80 / 2 = 40 how many used each day
Is that what you were asking? If I'm wrong let me know please
elena-s [515]3 years ago
7 0

Answer:

Step-by-step explanation:

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4 years ago
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kakasveta [241]
Let:
x = cost of senior citizen ticket
y = cost of student ticket

4x + 5y = 102
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4x + 5y = 102
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x = (102 - 5y)/4
x = 102/4 - 5y/4

7x + 5y = 126
7(102/4 - 5y/4) + 5y = 126
(714/4 - 35y/4) + 5y = 126
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note:
-35y/4 = -8.75y
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-3.75y = -52.5
y = -52.5/-3.75
y = 14


x = 102/4 - 5y/4
x = 102/4 - 5(14)/4
x = 8

x = cost of senior citizen ticket = $8/ea
y = cost of student ticket = $14/ea



6 0
3 years ago
What is the slope or a road that rises 6 feet for every horizontal change of 100 feet?
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