Answer:
4.5 hours
Step-by-step explanation:
let t be the time elapsed
Therefore, we can set up a system of equations and solve accordingly
2t + 16.5 = 4t + 7.5
2t = 9
t = 4.5 hours more till they paint the same amount in square feet
Answer:
im not sure if this is correct 16.97056274 hope it helped ;-;
Step-by-step explanation:
Answer:
i think it 15
Step-by-step explanation:
that is what i got
Perimeter of triangle= 81
x+3x-1+4x-2=81
8x-3=81
8x=84
x=10.5 so sides are 10.5,30.5,40.
