I think 28 divided by 7 goes with the donut one because it says there was 28 donuts and 7 students had to split them and dividing is splitting up.
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Also i think the 9X4 goes with the turtle and log one because it says there were 4 logs and 9 turtles laid on each one so it’s multiplying it is multiplying the 9 turtles 4 times.
TO BE CONTINUED………………………………………..