After 45 minutes you will have painted 4*45=180 square feet.
so the total number of painted area, y, is:
y=180+x*(3+4) after the 45 minutes
where x is the number of minutes AFTER THE 45 minutes:
if y is 1000 then
1000=180+x*7
820=x*7
x=117.14
so 117 minutes, or one hour and 57 minutes.
Answer:What do u need help with?
Step-by-step explanation:
Answer:
They help the tree reach deep into the sandy soil for nutrients and ground water.
Step-by-step explanation:
The job of a tree's roots is to collect water and nutrients.
Answer:
72
Step-by-step explanation:
7x 6 + 6 x 5
42 + 6 x 5
42 + 30
72