The lombaro family went out to dinner and the cost of their meal was 62% if they left a 20% tip how much did they leave

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Anyone know? will mark brainliest if correct!

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)