PLEASE ANSWER ASAP:

Last week, Kevin spent x dollars on lunch. He spent three times as much on gas as he did on lunch and $5 less on entertainment than he did on gas. (a) Write an expression in terms of x that represents how much Kevin spent last week in total. (b) If x = $10, how much did Kevin spend on gas? (c) How much did he spend on entertainment? (d) How much did he spend in total? *