Our granddaughter Jeniel requested an explanation of Peruvian money. Okay, here it is, Jeniel.
The currency used in Peru is the "nuevo sol" (which literally means the "new sun"). I think the currency is called a sol because the Incas were sun worshippers, and if you ever spend a warm day and a very cold night in the High Andes Mountains, you understand why they worshipped the sun.
During my first mission in Peru (1964-66), the currency was the sol, then several years later, it changed to the inti (which is Quechua for "sol" or "sun") [Thanks, Sister Richardson, for pointing this out], and finally, in the 1980s, it changed to the nuevo sol. In common conversation, however, the currency is just called a "sol" (rather than nuevo sol), and the plural is "soles" (pronounced SOUL-ess).
The only bills that I have seen during my eight months this time in Peru are those of 100, 50, 20, and 10 soles. This picture shows the 20- and 10-sol bills:
Each sol is divided into "céntimos," just as the American dollar is divided into cents.
The Peruvian coins are those of (from left to right above): 5 soles, 1 sol, and 50, 20, 10, and 1 céntimo.
In Peru, to indicate the amount of, for example, 5 soles and 20 céntimos, you would write S/. 5.20, similar to how we would write $5.20 in the US, to indicate five dollars and 20 cents.
One US dollar equals about three nuevo soles, but the actual value has varied between S/. 2.95 and S/. 3.10 per dollar during our time in Peru. When we buy something in soles, we always estimated the value in dollars by dividing by three. For example, last week I bought a desk lamp for S/. 17, which means that is was worth 17/3 = $5.67 in US money.