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rusak2 [61]
3 years ago
12

Can someone help me with this problem ?

Mathematics
2 answers:
Andrews [41]3 years ago
7 0
For this, we have to look at ratios between the prices.
so, for A, its $350 for 100 copies
if we take 350/100, you get that one copy is $3.50

using this info, we can solve for 40 papers. 40*3.5 is 140, so it would actually cost 140 dollars for 40 papers

now B.
150/40 is $3.75, so one copy is 3.75
so 100 copies. that would be 3.75*100 which is 375 for 100 copies
 
 

Zolol [24]3 years ago
6 0
This is the table=
              A             B
1           3.5          3.75  
40          140        150
100        350        375

so more cheaper is printer A
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Please help me in this question
weqwewe [10]
Question is: how many 84s will fit in 5376? Let's think about some easy multiples:

84 * 100 = 8400, so it's too big
84 * 10 = 840, so it might work

84 | 5376 | 10
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84 | 4536 | 10
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84 | 3696 | 10
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84 | 2856 | 10
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84 | 1176 | 10
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84 | 336

We can't fit any more 840 in 336, so we check how many 84s are in 336 and what's the remainder:

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So there's no remainder. Now we add all the partial quotients to get the final result:

10 + 10 + 10 + 10 + 10 + 10 + 4 = <u>64

</u>
It's correct, I checked it with calculator. I just hope you'll be able to read something from that, it's quite difficult to do partial dividing with no pencil and paper :)
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3 years ago
50 apple's cost $25. How much would 75 apples cost?
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