To date, this year, company xyz has sold 700 units. they sell units at an average rate of 20 per week. the company wants to sell more than 1,000 units this year. which of the following inequalities could be used to solve for x, the number of weeks necessary to reach the company's year-end goal?
a.
20x > 1,700
b.
20x - 700 > 1,000
c.
20x > 1,000
d.
20x + 700 > 1,000