Erick took $30.00 to the store. he found a item he wanted on sale for $18.50.the sales tax rate was 8%.does he have enough money to buy the item, including tax?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x