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cratsley321
19.02.2020 •
Mathematics
The long jump distances of four students are listed in the table below . How much farther did the student with the longest distance jump than the student with the shortest distance
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Ответ:
The price of a hot dog be $2.41.
Step-by-step explanation:
Let us assume that the price of the hot dogs be x.
Let us assume that the price of the hamburgers be y.
As given
Organizers of the town fair make a total of $706 from selling 164 hot dogs and 74 hamburgers at one of their concession stands.
Than the equation becomes
164x + 74y = 706
At their other concession stand, they make $884 by selling 256 hot dogs and 61 hamburgers.
Than the equation becomes
256x + 61y = 884
Than two equations are
164x + 74y = 706
256x + 61y = 884
Multiply 164x + 74y = 706 by 61 than equation becomes
10004x + 4514y = 43066
Multiply 256x + 61y = 884 by 74 than equation becomes
18944x + 4514y = 65416
Subtracted 10004x + 4514y = 43066 from 18944x + 4514y = 65416 .
18944x - 10004x + 4514y - 4514y = 65416 - 43066
8940x = 22350
x = 2.5 (Approx)
Therefore the price of a hot dog be $2.5 (Approx)