Which sentence contains an example clue that the reader understand the meaning of “frugal”?

we were very frugal, very careful to save our money and not to spend too much.

our frugal lifestyle included clipping coupons and waiting for sales before shopping.

raised to be economical with the money we earned, we all went on to lead frugal lives.

our friends spent whatever they earned wastefully, but we were frugal with our salaries

We were very frugal, very careful to save our money and not to spend too much.

Explanation:

The word frugal means economical in practice, not to waste anything and to be prudent with spendings and savings in order to not waste anything including material and money matters. The first sentence is very self-explanatory therefore is the correct one.

answer: sure

explanation: i'd love to know everything but that burden is too much to bare.

3 is blunder, i’m not sure about the last one but the first two look correct