Can anyone me with question 7? i’m not good at word problems : (

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion