Alli has hired mark and alexis to work for his shipping company. Mark can load a truck with packages in 120 minutes. Alexis can load the same number of packaged in 240 minutes. If mark and alexis work together on a particular truck, how many minutes will it take them to load all of the packages
1 answer:
Answer:
The answer to your question is : 80 minutes
Step-by-step explanation:
Data
Mark = 120 minutes
Alexis = 240 minutes
Together = ??
We need to write an equation, we consider that in 1 minute, Mark loads 1/120 and Alexis 1/240. Then the equation is:
1 = x/120 + x/240 1 = truck uploaded ; x = time in minutes
Solve it 1 = (2x + x) /240
240 = 3x
x = 240/3
x = 80 minutes
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