What’s is 15 and 16?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1

5. divide and simplify if possible. √250x16√2x 6. what is the solution of the equation? √2x+13−5=x