Answer:
1, 4 and 6.
2. 200g and 300g.
3. 30 ml and 70 ml.
Explanation:
1. 10 * 2 / (2+3) = 10 * 2/5 = 4.
10 * 3/(2+3) = 10 * 3/5 = 6.
2. 500g * 2 / (2+3) = 500g * 2/5 = 200g.
500g * 3/5 = 300g.
3. 100ml * 3/(3+7) = 100ml * 3 /10 = 30 ml.
100 ml * 7/10 = 70 ml.
Hope this helps.