Aprox 12. On Average, you can read 20 pages in 30 minutes and divide 20 by 30 you get 0.6 and 0.6 x 20 is 12.
-3 x 13 super easy its all about negative and positives sign
You add up all of the sides and the numbers that are there you pretend that they are on the other side and just add all of them up correctly and you will get your answer.
Edited answer:
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-3.0 <span>÷ 1 = 3.0 ; is an answer.</span>
