To determine which option is less expensive, let's compare the cost of ordering for one year:
Option 1: Ordering for 12 months at one time:
The cost for a year supply is $300.
Option 2: Ordering for 1 month at a time:
The cost for a month supply is $300/30 = $10.
To calculate the cost for a year, we multiply the cost per month by 12: $10 * 12 = $120.
Comparing the costs, it is clear that ordering for 12 months at one time is less expensive than ordering for 1 month at a time, as it costs $300 compared to $120.
suppose contact lenses cost $300 for a year supply of 30 for a month supply Which is less expensive to order per year paying for 12 months at one time are paying for a 1-month at a time
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