Respuesta :
Answer:
21 ( unit rate is 7$ per car)
Step-by-step explanation:
First you divide 42 by 6 which equals 7
and then you do 7x3 which equals 21
Answer:
21 ( unit rate is 7$ per car)
Step-by-step explanation:
First you divide 42 by 6 which equals 7
and then you do 7x3 which equals 21