Select all the true equations.

Select all the equations that are true when the value of the variable is 4.

Which equation shows that is a solution to the equation ?

Match each equation with a solution from the list of values.

The daily recommended allowance of vitamin C for a teenager is 70 mg. One orange has about 75% of that recommended daily allowance of vitamin C. How many milligrams of vitamin C are in 1 orange? If you get stuck, consider using the double number line diagram.

Double number line, 6 evenly spaced tick marks. Top line, vitamin C, mg. Beginning at first tick mark, labels: 0, blank, blank, blank, 70, blank. Bottom line. Beginning at first tick mark, labeled 0, blank, blank, blank, 100 percent, blank.

There are 90 kids in the band. 20% of the kids own their own instruments, and the rest rent them.

1. How many kids own their own instruments?
2. How many kids rent instruments?
3. What percentage of kids rent their instruments?

Find each product.