Jane has a $100 and Ellis has $75. Jane is saving $5 per day and Ellis is saving $7 per day.

Answer 1

After 5 days:
Jane has saved: $100 + ($5/day * 5 days) = $100 + $25 = $125
Ellis has saved: $75 + ($7/day * 5 days) = $75 + $35 = $110

After 10 days:
Jane has saved: $100 + ($5/day * 10 days) = $100 + $50 = $150
Ellis has saved: $75 + ($7/day * 10 days) = $75 + $70 = $145