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hammer [34]
2 years ago
13

How would you describe the us dollar if the forein exchange rate between the us dollar and british pound changed from 1:1 to 1:0

.7?
Mathematics
2 answers:
Dimas [21]2 years ago
7 0
The value of the US dollar would be lower as it is worth less than 1 british pound.
nika2105 [10]2 years ago
3 0

Answer:

The first ratio is

1USD : 1 \£

That is, 1 US Dollar equals 1 British Pound.

Then, the last ratio is

1USD:0.7\£

Which means that for one US Dollar you would get 70 cents of a British Pound.

As you can see, the second represents a devaluation of the US Dollar against the British Pounds. It has a lower value.

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Valleywood Golf course offers classes Monday through Saturday. The Saturday classes last 75 minutes. If they offered 705-minutes
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Answer:

Step-by-step explanation:

To make the problem easier to solve, we will set it up as the equation of the length of time of each class times the number of classes equals the total amount of minutes. However, since we don't know the number of classes, we'll symbolize our two unknowns with two variables.

75x + 45y = 705

(75x + 45y)/15 = 705/15

5x + 3y = 47

y = (47-5x)/3

It looks like we can't simplify the equation any more, so now it is a matter of trial and error. The minimum number of Saturday classes means the maximum number of weekday classes. We first will test for the maximum by assuming there are no Saturday classes, then will work our way up until x is an integer.

If x = 0

(47-5(0))/3 = 47/3 = 15.6666

If x = 1

(47-5(1))/3 = 42/3 = 14

This works. Therefore, the maximum number of weekday classes is 14, or choice b.

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