Summer school classes begin at 8:30 and last for two and a half hours. At what time
2 answers:
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Answer:
a) 1
b)I would like to help u but i don't understand the question I think something is missing there plus sign or minus sign sry
Step-by-step explanation:
2.5x + 1.25 < 3.75
2.5x < 3.75 - 1.25
2.5x < 2.5
x = 1
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Really sorry for the second question
Answer:
The number of machines to complete job in 2 hours is 6.
Step-by-step explanation:
Using the relation of the rate of each one machine and knowing that adding up both rates.
Rate R = 'x' is the job
Rate S = 'x' is the job
So, using the equation of rates
Rate total is going to be a job in 2 hours so =
<em>adding up</em>
<em>factoring the x</em>
<em>simplifying</em>
x=
x= 6