Refer to Table 4-4. If these are the only four sellers in the market, then the market quantity supplied at a price of $4 is
1 answer:
All things being equal; demand decreases, as price increases.
The quantity supplied when price is $4 is 28
From table 4.4 (see attachment).
When price = $4, we have the following supplies:
- <em>Firm A = 6</em>
- <em>Firm B = 6</em>
- <em>Firm C = 8</em>
- <em>Firm D = 10</em>
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So, the total supply at $4 is:
Hence, the quantity supplied when price is $4 is 28
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Answer:
The value of T₂₀ - T₁₅ is <u>-20</u>.
Step-by-step explanation:
<u>Given</u> :
- >> If for an A.P, d = -4
<u>To</u><u> </u><u>Find</u> :
- >> T₂₀ - T₁₅
<u>Using Formula</u> :
General term of an A.P.
- >> Tₙ = nᵗʰ term
- >> a = first term
- >> n = no. of terms
- >> d = common difference
<u>Solution</u> :
Firstly finding the A.P of T₂₀ by substituting the values in the formula :
Hence, the value of T₂₀ is a + 19d.
Secondly, finding the A.P of T₁₅ by substituting the values in the formula :
Hence, the value of T₁₅ is a + 14d
Now, finding the difference between T₂₀ - T₁₅ :
Hence, the value of T₂₀ - T₁₅ is -20.