Data Sufficiency (DS) | Re: Sue's monthly earnings consist of a monthly salary and a 4 percent com

Let Monthly Earnings - > E july and E august
MONTHLY SALARY - S
MONTHLY SALES-> sales july and sales Aug

To find sales july - sales Aug


Stmt I

E(july)= s + 4/100(sales july-2000) (1)

E(aug) = s + 4/100(sales aug -2000) (2)

E july and E Aug are given

Subtract 1) - 2 gives sales july- sales aug which is what we need( the s's cancel since is given monthly salary is same for july and aug)


SUFF

Stmt II

Sue’s monthly salary was $3,500 in July and in August

Seevral unknowns like E july,E Aug, sales July and sales Aug

INSUFF

A)

Statistics : Posted by Sanyam_Maheshwari • on 12 Nov 2023, 22:55 • Replies 1 • Views 48

---