The admission for the train is $7 for adults and $4 for children. There are 4 children in Jan's family who are 2, 3, 7, and 9, and 3 adults. How much will it cost to ride the train?

250 $3 tickets and 100 $2 tickets were sold.

37

Step-by-step explanation:

they're are three adults so multiply 3 by 7 which is 21

and 4 kids so multiply 4 by 4 to get 16

to get the total add 16 and 21 to get 26

13

step-by-step explanation:

distance formula is d=√(x2-x1)^2   +   (y2-y1)^2