What is the reciprocal of the number?
1.- 3/7 a.-7/3 b.-3/7 c.3/7 d 7/3 e 1 2. 3/7 a.-7/3 b.-3/7 c.3/7 d 7/3 e 1 3. - 7/3 a.-7/3 b.-3/7 c.3/7 d 7/3 e 1 4. 7/3 a.-7/3 b.-3/7 c.3/7 d 7/3 e 1

Asalesperson set a goal to earn $2,500 in august. she receives a base salary of $1,000 per month as well as a 20% commission for all sales in that month. how many dollars of merchandise will she have to sell to meet her goal?