a certain chemical, the ratio of zinc to copper is 4 to 17 . A jar of the chemical contains 731 grams of copper. How many grams of zinc does it contain?.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?