Questions and Rationalized Answers 100% Verified
1. Yesterday, a waiter received $74 in tips. Today he received 125% of what he made
yesterday. Which of the following is the amount of money the waiter received in tips
today?
A) $18.50
B) $59.20
C) $83.25
D) $92.50: $92.50 (to determine the days total, take yesterdays total ($74) and multiply
by the numerical equivalent of 125% (1.25). The total is $92.50)
2. A recipe calls for 5 cups of flour, 1 1/2 cups of sugar, and 1/3 cup of cocoa. Which of the
following is the amount of dry ingredients in this recipe?
A) 5 1/6 cups
B) 6 1/6 cups
C) 6 5/6 cups
D) 7 1/6 cups: 6 5/6 cups (the first step when adding fractions is to determine the least
common denominator for the fractions. This leads to the following expression: 5+1 3/6 + 2/6.
The sum of this is 6 5/6.
3. A computer is worth $1,500 at the time of purchase. After 5 years, the com- puter is
obsolete and has no value. Assuming the computers value decreases linearly, which of
the following expressions represents the computers value at any time? (t)
A) -300t + 1500
B) -5t + 1500
1/9
, C) -300t + 5
D) -5t + 5: -300t + 1500
4. | 2x+1 | = 17 solve the equation for x
A) {8,9}
B) {-8,9}
C) {-9,-8}
D) {-9,8}: {-9,8} (both of these numbers can be substituted for x to make the equation true)
5. Which of the following fractions represents the sum of 0.3,0.6,0.04,0.02?
A) 3/20
B) 24/25
C) 25/24
D) 3/2: 24/25
6. 2 1/2 x 1 1/2 Simplify the expression.
2/9