The science club went on a two-day field trip. The first day the members paid $30 for transportation plus $10 per ticket to the space museum. The second day they paid $50 for transportation plus $15 per ticket to the desert museum.

a. Write an expression to represent the total cost for two days for x members of the club.

b. Evaluate the expression to find the total cost if the club has 30 members.

Respuesta :

Answer:

A.(30+10x)+(50+15x)

B. 30+10(30)+50+15(30)

    =40(30)+65(30)

    =120+1950

    = $2070

Answer:

a. 30 + 10x + 50 + 15x = 80 + 25x

b. $80 + $25(30) = $80 + $750 = $830