Evan washes two types of vehicles. it takes him 30 minutes to wash a car and 40 minutes to wash a truck. he charges $12 to wash a car and $15 to wash a truck. in 270 minutes, evan made $105 washing cars and trucks. how many trucks did evan wash? 2 trucks 3 trucks 4 trucks 5 trucks

answer: 180

step-by-step explanation:

12-2=10

20-2=18

10x18=180

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d