1) in one minute for first wiil be 1/20
the other 1/30, it means that A paint in one minute 1/20 and B 1/30 then A+B in one minute 1/20 + 1/30 = 3+2/60 = 5 / 60, 5/60 = 1/12
if in one min they make 1/12 then in 12 min they paint all the wall
Answer: 12.1
Look at the hundredth place for rounding to tens and since it is less than 5 you drop the following numbers and keep the 1
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Answer:
1287.48 km
Step-by-step explanation:
80 miles = 128.748 km
Putting in 'x' for distance
x = 80*10
x = 800 miles
or
x = 1287.48 km
The answer is c). (x-5)(x-7)
Answer:
q = 0, r = 2, s = 3, t = -3
Step-by-step explanation:
