Ricardo tiene ahorrados S/.300 más que Carlos y este último S/.500 más que Saúl. Si Luis, que tiene ahorrados S/.900, tiene S/.200 menos que Saúl, ¿cuánto dinero
ahorró Saúl? ¿Cuánto dinero tiene ahorrado cada uno de ellos?, ordénalos de
mayor a menor​

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row