Jack collected 360 ship models. 40% of them were made by him. If Jack donated 25% of models which he made and
donated 50% of models he bought, how many fewer models
made by himself were donated than those he bought?
fewer models donated made than bought

Which value would be a solution for x in the inequality 47-4x< 7

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.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$