Select each situation that can represent a proportional relationship. The total amount a gardener earns who charges a one time fee of $10 plus $15 an hour for gardening r hours. The total amount of toys a child earns when he earns 2 toys a week for w weeks. The total amount a taxi driver earns who charges a base price of $3 plus an additional $1 per mile for m miles. The price of buying x avocados at $4 a pound. a