Grandma's driving can be part of a time rate distance problem

Lesson: Time Rate Distance Problems

Standards Analyze proportional relationships and use them to solve real-world and mathematical problems. CCSS.Math.Content.7.EE.B.3Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess