3(x+4)= 3x+12
3x+12+x+3+x=5x + 15
5x+15=180
5x=180-15
5x=165
x=165/5
x= 33min
mowing the grass = 3(x+4)
= 3(33+4)
=99+12
=111 min mowing grass
Using distribution it would be 3m+7
Answer:
I dunno
Step-by-step explanation:
2x + 10 = 4x + 10
2x - 4x = 10 - 10
- 2x = 0
Answer:
314
Step-by-step explanation:

Area = (3.14)(10)²
Area = 314.15927
We used the formula for area of a circle.