Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution?
Rosa: "Use square root 9 and square root 25 to estimate."
Roberto: "I will use square root 4 and square root 9."
Andrea: "It should be square root 11 and square root 12."
Inno: "Use square root 9 and square root 16 to find the estimate."

Question

Rosa, Roberto, Andrea, and Inno find an estimate for square root 10. Who has proposed the best solution? 
Rosa: "Use square root 9 and square root 25 to estimate."
Roberto: "I will use square root 4 and square root 9."
Andrea: "It should be square root 11 and square root 12."
Inno: "Use square root 9 and square root 16 to find the estimate."

jdoe0001 · Answer

kinda ambiguous to tell what "use" means there

add? subtract?   divide?  factor?