In the first danceathon Jamie danced to 810 songs, but by the second danceathon he only danced to 700 songs. What is the percent decrease?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.