so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9
step-by-step explanation:
Answer from: Quest
1/2*qr*rs
step-by-step explanation:
Answer from: Quest
graph b
step-by-step explanation:
one solution- graph a (clear intercepting point.)
no solution- graph b (they're parallel, there will never be a point of interception.)
infinite solutions- graph c (all points intercept.)
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