John went on a shopping spree. He bought $250 of clothing. The sales tax is 6.25%. What is the amount of sales tax John had to pay? Round to the nearest cent

In all honesty, there really is no “work” per say to show. mainly it’s just using the process of elimination. the question is asking which domain(s) would be the most appropriate for the function c(n). n is the number of observed vehicles so right away, 1, 2, and 3 can be eliminated.why? 1, 2 start in the negatives and therefore it is impossible to observe negative cars. so, #4 would be the best answer to the given problem.

Step 1: 6x-10=1; step 2: 6x=11