Question:
Mary wrote NXM= 30. N and M are whole numbers. What move was Mary considering .How many pairs of numbers make Mary's equation true? \What’s the answer
Answer:
4 pairs of numbers make Mary's equation true
Explanation:
The Given Equation is

Also it is stated that N and M are Whole numbers
Then the product of any two whole number is 30
Thus the two numbers can be

Thus the pair of number that makes Mary equation true are
1 and 30
2 and 15
3 and 10
5 and 6