Author: Jeff Miller

GMAT OFFICIAL GUIDE DS – Solution: We are given that a store sold gift certificates of either $10 or $50. Let’s define some variables for the numberof $10 and …

GMAT OFFICIAL GUIDE DS – Solution: We are given three angles of a triangle, angles x, y, and z. Since the angles in a triangle sum to 180 degrees, …

GMAT OFFICIAL GUIDE DS Solution: We are given that Guy’s net income is equal to his gross income minus his deductions and we want to determine by what percent …

GMAT OFFICIAL GUIDE DS Solution: We are given that a taxi company charges f cents for the first mile of the taxi ride and m cents for each additional …

GMAT OFFICIAL GUIDE DS Solution: We are given that x and y are positive and we must determine whether x < 10 < y. Statement One Alone: x < …

GMAT OFFICIAL GUIDE DS Solution: We are given that a clothing store acquired an item at a cost of x dollars and sold the item for y dollars. We …

GMAT OFFICIAL GUIDE DS Solution: We need to determine whether 9^x + 9^-x = b. Statement One Alone: 3^x + 3^-x = √(b+2) We first square both sides of …

Starting with the basics, Target Test Prep experts Scott Woodbury-Stewart and Jeffrey Miller guide you through high-value functions problems and sequences problems.