Why were the great lakes important in the war of 1812?
1 answer:
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Answer:
1 pound and 28 crowns is equivalent to 7 dollars.
Explanation:
Let the dollars be x , crowns be y and pound be z.
To find = 1z + 28y = ? (value in dollars)
5 dollars and 35 crowns is equivalent to 7 pounds
...[1]
4 dollars and 4 pounds is equivalent to 56 crowns
...[2]
Using value of from [1] here in [2]:
Now:
1z + 28y = ?
1 pound and 28 crowns is equivalent to 7 dollars.