Very easy problem ! will be marked brainliest : )
there are 79 students in the third grade. mrs. henry's class has 12 boys and 11 girls. katy estimates the number of students who are not in mrs. henry's class. she rounds all the numbers in the problem and finds an answer of about 60. is katy's estimate reasonable? how do you know?

Yes it is reasonable.

Step-by-step explanation:

If all the numbers are rounded, 79 will be rounded to 80

12 to 10

and 11 to 10

If there are about 80 kids in 3rd grade, and about 20 kids in Mrs. Henry's class (because 10 girls plus 10 boys)

That means that 80-20

about 60 kids are not in Mrs. Henry's class

Hope this helped!

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answer: i'm great at algebra

~coco

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