Final answer:
Jonah can reach his $200 goal in 8 weeks by increasing the rate per dog or walking more dogs per week.
Step-by-step explanation:
To reach his goal of earning $200 in 8 weeks, Jonah can choose the following strategies:
- Continue walking 5 dogs per week, but increase his rate to $5 per dog. This would earn him $25 per week, totaling $200 in 8 weeks.
- Double the amount of dogs he walks per week, but keep the same rate of $3 per dog. This means he would walk 10 dogs per week, earning $30 per week, totaling $240 in 8 weeks.
- Double the amount of dogs he walks per week and cut his rate to $2 per dog. This means he would walk 10 dogs per week, earning $20 per week, totaling $160 in 8 weeks.