54-9=45
45/3a=15
a=15 hope this helps
In case the user wants to see workings. These problems can easily be solved on a calculator, but can we work them out in our heads? ;)
9.34-3.029
=9.340-3.029
=9.340-3.000-0.029
=6.340-0.029
=6.311
66 ft squared.
Hope this helps you:)
I am pretty sure the answer is B
