Which of the following explains why water is a limited resource

a. water is present on earth in a fixed amount that does not change.
b. water is degrading slowly with time.
c. only water not present in oceans is available for living things to use.
d. once it ends up as groundwater, water is no longer available for living things to use.

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !