Answer:
10
Step-by-step explanation:
8+5+15+12+10= 50 / 5 = 10
I'm not so good but I think thatmeans r is a different number and its half of 14 so figure out an equation
Answer:
x^2+3x-5=0
Step-by-step explanation:
Divide the whole equation by 2
Answer:
10 days
Step-by-step explanation:
It will take 10 men 5 days to dig a hole half as big.
It will take 5 men 10 days to dig a hole half as big.
( Remember, the less people, the more time it will take. )