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D0399387
10.07.2019 •
Mathematics
Joe's wallet contains $1 and $5 bills worth $47. the number of $1 bills is five more than the number of $5 bills. how many of each bill does he have?
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Ответ:
12 ones 7 fives
Step-by-step explanation:
Ответ:
5 + 2x = 47
2x = 42
x = 21
$1 : 5 + (21) = 26
$5 : 21
21 + 26 = 47
Ответ:
18a-12b+6c
Step-by-step explanation:
We have got 6 common in this factor 6(3a-2b+c)
So,in order to expand it we just need to multiply 6 with the everything in the bracket..
6×3a=18a
6×2b=12b
6×c=6c
If we arrange the factor after multiplying,then it stands like this 18a-12b+6c...
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