A teacher wants to give 3 markers to each of her 25 students. Markers come in packeges of 8
2 answers:
25x7=75 (need)
75/8=9.375
=10 as if you get 9 it will be too low
Ok, you know 8x3=24 so the answer will be at least 9 because 3x3=9.
8x9=72 and 25x3=75 so if you do 8x10 you get 80 and that's enough for each student with 5 left over.
So, the teacher will need 10 packages of markers.
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