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ghazanfarwaheed7967
28.01.2020 •
Mathematics
Madeline is selling sketches for $2 and
color prints for $5 at a comic convention.
madeline leaves the table and asks her
friend chris to run the table for her. she
returns to find chris has made $93. chris
doesn't know how many of each item he
sold, but he remembers that he sold a
total of 30 sketches and colored prints.
below is madeline's work in determining
how many of each item was sold.
Solved
Show answers
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Ответ:
A,B,C
Step-by-step explanation:
When we look at her work, which you write in comment we can see that she make mistake. So lets answer your questions .
A) Because we cannot have 8.25 prints, we can just have integer 8 or 9. or some other integer.
B) explain Madeline mistake :
2(30-p)+5p=93 in this she needs to multiply 2 by 30 and 2 by -p, which she didnt.
C) When we correct mistake we can evaluate how much Chris sell.
60-2p+5p=93
3p=33
p=11
s=30-p=19
So, Chris sells prints 11 and sketches 19
Ответ:
0.75 points per minute
Step-by-step explanation:
9/12 is 0.75