Writing Literal Equations - Examples & Practice

Jillian is bringing some berries for a picnic. Since a box of blueberries is twice as expensive as a box of strawberries, Jillian decides to buy twice as many boxes of strawberries.

Let's say a box of blueberries is $x$ dollars and a box of strawberries is $y$ dollars. Jillian bought $10$ boxes of blueberries. Jillian spent a total of $46$ dollars buying berries.