Given the triangle below, what is m angle B, rounded to the nearest tenth?
1 answer:
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Answer:
The cost of hamburger is $1.75.
The cost of hot dog is $1.25
Step-by-step explanation:
Consider the provided information.
Seven hot dog (s )and two hamburger (s )cost $12.25;
Let the cost of hot dog is x.
The cost of hamburger is y.
Therefore,
......(1)
Two hot dog (s )and seven hamburger (s )cost $14.75.
......(2)
Use elimination method to solve the above equation.
Multiply equation 1 by 2 and multiply equation 2 by 7 and subtract them as shown:
Hence, the cost of hamburger is $1.75.
Now substitute the value of y in equation 1.
Hence, the cost of hot dog is $1.25