Subtract 7a2-4ab+2b2from 3ab+7a2+2b2
1 answer:
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The sale is 33% off notebooks. This can be found by first subtracting .8 from 1.2
1.2-.8=.4 Now divide .4 by 1.2 to get your answer.
=.33
.33=33%
You can also solve this mentally because if you know your basic multiplication tables, 3*4=12 and so
of 12 would equal 8.
Does you understand it now?
1.2-.8=.4 Now divide .4 by 1.2 to get your answer.
.33=33%
You can also solve this mentally because if you know your basic multiplication tables, 3*4=12 and so
Does you understand it now?