Answer:
168 times
Explanation:
First, find how many months are in 2 years:
1 year = 12 months
2*1 year = 2*12 months
2 years = 24 months ==> there are 24 months in 2 years
Now multiply the rate of sells per month and the total number of months:
24 months * 7 times / 1 month =
24 * 7 times = ==> cancel the month unit
168 months