Answer:
6x-3≤20
Step-by-step explanation:
"Three subtracted from the product of six and a number" Means 3 minus the product of 6 and a number , which is represented by "x."
"at most 20" means the highest this number can be id 20. The number can be 20 or anything below 20 which means it has to either be less than or equal to (≤)
Hope this helps :)