Lily ha comprado 1012 kg de fideos a S/.5 cada kg y 823 kg de harina a S/.2 cada kg. ¿Cuánto pagó Lily?.

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).