250 * 0.20 = $50 sale
250 - 50 = $200
You will pay $200 after sale
Answer:
285
Step-by-step explanation:
assuming youre saying 1265 = 660 + 325 + g
Formula: Δ L = 10 × log n.
<span>Δ L = level difference. </span>
<span>n = number of equal loud sound sources. </span>
n = 5
10 × log10 5 = +<span>6.9897</span><span> dB compared to the case that only one source is available. </span>
