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dajahp
16.12.2020 •
Mathematics
A local bike shop keeps track of each days income and expenses using an excel spreadsheet.The sum of all the transactions was $239.41 on Saturday. Enter an equation that would determineo the value of the new mechanics box
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Ответ:
LM = 20
LN = 160/7
Step-by-step explanation:
If M is between L and N, then LM = MN
Given
LM = 7x + 4, MN = 20, LN = 10x
7x+4 = 20
7x = 20 - 4
7x = 16
x = 16/7
LM = 16/7(7) + 4
LM = 16 + 4
LM = 20
LN = 10x
LN = 10(16/7)
LN = 160/7