solving inequalities word problem

Question

Grace earns $7 for each car she washes. She always saves $25 of her weekly earnings. This week, she wants to have at least $65 in spending money. How many cars must she wash? Write and solve an inequality to represent this situation. Interpret the solution in context.

 

I don't think I did this right!

 

7c-25>65

 

 

 

 

Answer 1

Yes, you did!

One small error, "at least" means equal to or greater than. 

So

7c - 25 ≥ 65