How do I write 4 more than one third of a number 6 n as a equation

Can someone me i’m confused. will give brainliest and a whole bunch of points

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.