sally and timothy have two different answers for 1,785 : 35. without dividing, how can you tell whose answer is wrong sally: 1,785 : 35 = 51 timothy: 1,785 : 35 = 501

You can tell by multiplying 501 to 35 and 51 to 35. Whitchever one is equal to 1785 is the correct answer.

Answer: Timothy's answer is wrong

When you multiply factors, the product with a certain number of place values, the product should have the the sum of the number of place values.

35 has 2 digits.

51 has two digits.

2 + 2 = 4

1785 has 4 digits.