Translate each expression then write the expression in factored form. Ten times a number subtract from eighteen.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

For how answer my question this will be the last question can you answer in math subject

What expression is equivalent to (84+16)