If the original investment doubled in 10 years, then double the investment will double again in the next 10 years. Thus, in 20 years , the original sum would have increased fourfold.
The initial sum will become fourfold in 20 years. This is because if it doubles in 10 years, it will double again in the next 10 years. Therefore, the total time taken to quadruple is 20 years.
;
Jawaban:Penjelasan:Padha gulangen ing kalbu" is a Javanese phrase that translates to "Train yourselves in the heart/mind" or "Cultivate your inner self". It emphasizes the importance of self-reflection, inner growth, and mental discipline. The phrase is often found in Javanese literary works, particularly in the context of moral and ethical teachings. Here's a more detailed explanation:"Padha":Means "all" or "everyone," indicating that this is a universal call to self-improvement."Gulangen":Means "to train," "to cultivate," or "to exercise," suggesting a process of ongoing effort and practice."Ing kalbu":Means "in the heart" or "in the mind." This refers to the inner self, encompassing emotions, thoughts, and spirit.Therefore, the phrase "Padha gulangen ing kalbu" encourages everyone to actively work on their inner selves, to cultivate positive qualities, and to develop a strong moral compass. It's a reminder that true wisdom and strength come from within.