Tracie and Marcia drove to Northern California to see Marcia’s sister in Eureka. Tracie drove one hour more than four times as much as Marcia. The trip took a total of 21 driving hours. How many hours did Tracie drive?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

How to use order of operation in 20 divide by 4 multiply 5 = 1

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