Hi, first thing to do is divide 2.5 by 4 which is 0.625and you can either multiply 0.625 by three or subtract it from 2.5. So the answer comes out to be 1.875. You’re welcome and have a nice day
W-13=15|+13
w=15+13
x=28
<em>Answer: w=28</em>
I=2,400×0.07
I=168
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