Answer:
Thank you for the free-points!!! <3
Step-by-step explanation:
Both recipes would add up to 1 5/12 this is using the black widow way
1. It must be divisible by 2 and 3. It IS divisible by 2. it IS divisible by 3. No remainder.
2. Add the digits and see if the sum is divisible by 3. Apply this rule to both numbers. 3 is not a common factor.
3a. 639
3b. 1035
3c. 179