5. a farmer has 50 feet of fencing that he will use to make a rectangular pen for his sheep. he

plans to use a stream on his property as on side of the pen. if he wishes to have 312 square

feet enclosed by the fencing and the stream, what should the dimensions of his pen be?

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.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

How are algebraic expressions evaluated using substitution?