Question

Who solved the problem incorrectly, and where was the first mistake made?

Answer 1

Answer: B

explanation: mariah was doing it right until she multiplied 20x5. she put 10, which is wrong. it’s 100

Answer 2

B

Explanation:

20 × 30 = 600

30 × 6 = 180

5 × 6 = 30

but 20 × 5 doesn't equal 10