okay so what you're gonna do is find the lcm (least common multiple) of four and seven (the days y'all water the plants.)
lemme get it started for ya.
7: 7, 14, 21...
4: 4, 8, 12, 16...
and once you find a number that they both have, it's your answer.
4·9 = 9x = 1/4
(36 = 9x = 1/4) ·4
144 = 36x
144/36 = x
x = 4
Answer:
Step-by-step explanation:
The question can be written out like this:
36 = 0.009x
Multiply both sides by 1,000:
9x = 36,000
Divide both sides by 9:
x = 4,000
Answer:

Step-by-step explanation:


Combine like terms

The answer to that equation is X= -1