The Martinez family bought lunch at the deli today. They bought 5 drinks and 3 sandwiches. Each sandwich costs $2.50 more than a drink. Using the following expression determine how much each sandwich costs. 5d + 3(d + 2.50)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.