Rick bought 5 pounds of steak.
Step-by-step explanation:
Given,
Cost per pound of steak = 13.50
Cost per pound of chicken = 3.25
Total bought = 8 pounds
Total paid = 77.25
Let,
x represents the pounds of steak purchased
y represents the pounds of chicken purchased
According to given statement;
x+y=8 Eqn 1
13.50x+3.25y=77.25 Eqn 2
Multiplying Eqn 1 by 3.25
Subtracting Eqn 3 from Eqn 2
Dividing both sides by 10.25
Rick bought 5 pounds of steak.
Keywords: linear equation, elimination method
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