Aclothing store paid an import tax of $32 on a shipment of $800 worth of silk scarves. the import tax rate is always the same. what would be the value of silk scarves that have an import tax of $120

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.