A would have to equal -3.2
Answer:
The the loudness heard by the mower will be 4 times the loudness heard by the Brandon.
Step-by-step explanation:
The least intense sound a human ear can hear ,
The sound intensity level that Brandon can hear ,I= 

The sound intensity level of the mower that Ahmad ,I'=

So, the:


The the loudness heard by the mower will be 4 times the loudness heard by the Brandon.
The sum (+) of 14 and a number (x) is equal to (=) 7.
14 + x = 7
To solve, subtract 14 from both sides.
x = -7
Answer:
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Step-by-step explanation: