Question

Kim starts with $500 and spends $15 per week. Her brother Roy starts with $800 and spends $35 per week.

Write the inequality for when Kim will have more money than Roy. Use x to represent the number of weeks.

Answer 1

500 + 15x > 800 + 35x

Explanation:

Kim starts with $500 and spends $15$ per week

After x weeks, the amount of money she has will be 500 + 15x

Roy starts with 800 and spends $35 per week

The amount of money after x weeks will be 800 + 35x

So the inequality when Kim will have more money than Roy will be;

500 + 15x > 800 + 35x