2 answers:
It's 0 because 10+10 = 20 then subtract 20 and you get zero.
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Answer:true!!!
Step-by-step explanation:
Answer:
6 hours
Step-by-step explanation:
because if they work together it will be 9 hours slower than Kelsey's time alone.
not sure if correct
if we name that part x, then we can say
1/x = 1/a + 1/b
Answer:
B) 120
Step-by-step explanation:
180 - 60 = 120
Hope that helps!
It’s c I think hope this helped
