For this case, the first thing we must do is define variables.
x: amount of time Miguel uses to complete the task.
y: amount of time Maria uses to complete the task.
We write the system of equations:
x + y = 60
y = (1/2) x
Solving the system we have:
x = 40 minutes
y = 20 minutes
Answer:
it take her to wash them by herself about:
y = 20 minutes
Answer:
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Step-by-step explanation:
Answer:
5y+2=7
Step-by-step explanation:
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U want to go x2 plus x so its x3 then 4x3times -15 so x=3.33333