Answer:
6x-3
Step-by-step explanation:
Combine 5x and x and that makes 6x+3
Answer:
15.7079
Step-by-step explanation:

we know that 7*7=49 so thus


therefor n=2
it is written as
Answer:
7 days
Step-by-step explanation:
Five men do 200 yards in one day
One man does 200/5 = 40 yards in 1 day.
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Now you want to know something about 8 men
8 men can do 40 * 8 = 320 yards in 1 day
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2240 yards / 320 yards = 7 days