X = 80 + 20 = 100 degrees
Answer:
I believe it would cost 9 cents per cubic foot of gas.
Step-by-step explanation:
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Answer:
$5.66/gal
Step-by-step explanation:
To calculate the current price of gas, multiply $4.35/gal by (1 + 0.30), or by 1.30:
1.30($4.35/gal) = $5.66/gal
