D is the correct answer
x+5=10: subtract 5 from both sides the 5 will cancel out leaving x=5
x+5=10
-5 -5
x=5
Answer:
number 2
Step-by-step explanation:
3*7*6=126
4*3*10=120
126-120=6
The work become much simpler if you do it in a table. Hope this helps!!
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:
54
Step-by-step explanation:
Divide 162 by 3 and find the constant rate per hour.
