Answer:
about 6 months
Step-by-step explanation:
After 1 month, Veronica has $10 saved.
After adding $20 the second month, she has $30 saved.
After adding $30 the third month, she has $60 saved.
After adding $40 the fourth month, she has $100 saved.
After adding $50 the fifth month, she has $150 saved.
After adding $60 the sixth month, she has more than enough saved.
It will take Veronica 6 months to save enough for her saddle.