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<span>C. use of credit is your answer
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Answer:
20 members of the rappelling club are going on the trip
Explanation:
Total cost of the trip is $540.
If only one person goes, the cost is $540.
We can make the total number of people going x since we are not given.
Therefore, each member would pay (540/x)
We can also rep 7 with non members since the number is given as 7
Total people going= Members + non members.
Therefore, the cost per person is now (540/x+7).
Problem.
540/x -540/x +7 = 7
Multiply each with lowest common denominator.
When you expand, you get
540(x+7) - x(540)/x(x+7) =7
Simplify multiplication.
540x+3780-540x=7(x^2+7x)
Combine like terms
540x-540x+3780=7x^2+49x
3780=7x^2+49x
7x^2+49x-3780= 0
When we divide through by 7, we have
x^2+7x-540
Factorize, we have
(x^2+27x)-(20x-540)=0
x(x+27)-20(x+27)=0
(x-20)(x+27)=0
x is therefore 20 or -27
Since we know -27 cannot be a reasonable answer hence must be excluded.
The exact number of the people going on the trip is 20.
Answer:
There were vast differences between American societies and European societies of the late 15th century.
Explanation:
First of all, the European societies were far more advanced, technologically speaking. The Spanish and the Portuguese, the first European nations to contact the Native Americans in this period, had access to gunfire, horses, iron, the compass, powder, and large ships, and this allowed them to defeat not only small tribes, but large empires like the Aztec and Inca Empire as well.
The Native Americans had some technological advances of their own, but at least military-wise, they were no match for Spain or Portugal. The American populations also suffered greatly from the lack of immunity to diseases such as typhus and measles, which were brought by the Europeans, and killed millions of Native Americans.
