Answer:
The linear equation is;
Δx=100.Δp
Step-by-step explanation:
Step 1: Derive the linear equation
The linear equation can be expressed as;
Δx=Δp×k
where;
Δx=change in quantity supplied
Δp=change in unit price
k=constant of proportionality
Step 2: Substitute values in the equation
Δx=final quantity-initial quantity
where;
final quantity=5,000
initial quantity=1,000
replacing;
Δx=5,000-1,000=4,000
Δp=final price-initial price
where;
final price=$300
initial price=$260
replacing;
Δp=300-260=$40
Step 4: Determine k
k=Δx/Δp=4000/40=100
Step 5: Linear equation
Δx/Δp=k
but k=100
Δx=100×Δp
Δx=100.Δp