baca23jasmine
baca23jasmine
14.11.2019 • 
Mathematics

Lena the trainer has two solo workout plans that she offers her clients: plan a and plan b. each client does either one or the other (not both). on wednesday there were 12 clients who did plan a and 2 who did plan b. on thursday there were 3 clients who did plan a and 5 who did plan b. lena trained her wednesday clients for a total of 19 hours and her thursday clients for a total of 7 hours. how long does each of the workout plans last?

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