10% because walking is only 10 percent of the hrs
1.2 ÷ 3 = 0.4 meters each
0.4 meters = 40 cm
40 cm = 400 mm
therefore,
Carlos must cut each piece of wood 400 mm each.
Hope this helps and have a great day! :D
Answer:
x = 704/39 ( <----Fraction)
Step-by-step explanation:
28 squared minus 39x minus 80 equals 0
784-39x-80=0 evaluate the power
704-39x=0 Subtract the numbers
-39x=-704 move the constant to the right hand side and change it's sign
Divide on both side to get x = 704/39
Dude y you even as its just the surface area you just use the formula