katie is solving brain teasers she solve 6 brain teasers in 72 minutes how long did she spend on each brain teaser
2 answers:
72 divided by 6 = 12.
To find how many minutes she took per brain teaser, divide the time by how many she did.2 minutes on average for each brain teaser.
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Answer:
it is a because you subtract the ten from both side and that makes the -8 into a -18 then you divide by 3 and your answer is -6
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1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121
