Answer and solution in 2xy-5yz-4x+10z
1 answer:
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Data:
x (Number of movies) = ?
Answer:
<span>Herbert have in all ?
30 movies</span>
x (Number of movies) = ?
Answer:
<span>Herbert have in all ?
30 movies</span>
The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75
Step-by-step explanation:
Let,
Cost of one shirt = x
Cost of pair of jeans = y
According to given statement;
4x+3y=124.25 Eqn 1
3x+5y=161.25 Eqn 2
Multiplying Eqn 1 by 3
Multiplying Eqn 2 by 4
Subtracting Eqn 3 from Eqn 4
Dividing both sides by 11
Putting 24.75 in Eqn 1
Dividing both sides by 4
The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75
Keywords: linear equation, elimination method
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