J.R. S. answered 01/28/19
Ph.D. in Biochemistry--University Professor--Chemistry Tutor
I assume the coupon is for 30% OFF of the original price. Therefore you have to pay only 70% of the original price. 0.70 x $9.95 = $6.97 for each pair.
Done another way. Take 30% off of $9.95. $9.95 x 0.30 = $2.98 off the original price.
Final price = $9.95 - $2.99 = $6.97 for each pair