To solve this, we need to multiply 2/7 by 3.
The calculation is as follows:
2/7 * 3 = (2 * 3) / 7 = 6/7
Therefore, Hiroshi should have gotten 6/7 as the final answer, not 6/21.
Hiroshi multiplied 2/7 times 3 and got 6/21. What final answer should he have gotten?
1 answer