Respuesta :
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The set up is normally
t/A + t/B = 1 (as in 1 job)
Here you are given t, the time worked together, and A, Alex's alone time...now we need to find B, Millie's alone time...so
4/6 + 4/B = 1
B turns out to be 12...which means
Alex did 2/3 the job and Millie did 1/3
The set up is normally
t/A + t/B = 1 (as in 1 job)
Here you are given t, the time worked together, and A, Alex's alone time...now we need to find B, Millie's alone time...so
4/6 + 4/B = 1
B turns out to be 12...which means
Alex did 2/3 the job and Millie did 1/3
Answer:B, 4/6
Step-by-step explanation: sorry if its wrong, I'm doing the test rn