"How Sugar Changed the World”was a book written by Heather Whipps. The authors’ purpose in this passage
- To inform the reader that Louisiana's short harvest season meant that enslaved people were cruelly overworked.
The book convey the idea, that sugar has had a positive and negative impact on the world.
The Slaves did labored in the fields and the boiling houses, supplying the huge amounts of labor that sugar needed.
Conditions were the slaves worked was harsh, and mortality rates were very high through all stages of slaves' lives.
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Answer:
the answer is phase change
Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
The correct answer is 13 hours
Divide 143 by 11 and you’ll get 13.
