giovannaan09 giovannaan09

04-10-2021
Mathematics

contestada

One month, Diane worked 6 hours more than Elle. Together they worked 20 hours. How many hours did Diane work? How many hours did Elle work?

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soccerfan54 soccerfan54

04-10-2021

D = E + 6
D + E = 20
Plug in the first one in the second one.
E + 6 + E = 20
2E + 6 = 20
2E = 14
E = 7
D = 13

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