Determine whether y varies directly with x in the equation 6x − 3 = 2y − 3. If so, what is the constant of variation?

Find the value of the variable and the length of each secant segment.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups