Answer:
Total Quantity of Pond Water = 21 fluid ounces
Total Students = 10 pairs = 20
Since water needs to be distributed equally,
Water received by 1 student =
⇒ Water received by 1 student =
⇒ Water received by 1 student = 1.05 ounce
Pond water collectively received by Jonas and his science partner = 2 * 1.05
⇒ Pond water collectively received by Jonas and his science partner = 2.1