Questions with All Answers Correctly Provided
2025/2026
Percent change - correct answer (amount of change / original amount) *
100
Percent increase - correct answer (new amount - original amount) /
original amount *100
Percent decrease - correct answer (original amount - new amount) /
original amount * 100
Amount increase (or amount decrease) - correct answer original price *
percent markup
Original price - correct answer new price / (whole - percent markdown)
Original price - correct answer new price / (whole + percent markup)
Simple interest - correct answer i = prt
I: interest earned
P: principal
R: rate at which principal is earned
T: time money is invested
, Polygon angle principle - correct answer s= the sum of interior angles of a
polygon with n-sides
S = (n - 2)180
Trapezoid - correct answer four-sided polygon in which the bases (and
only the bases) are parallel
Isosceles trapezoid - correct answer base angles are congruent
Area of trapezoid - correct answer area = .5h * (b1 + b2)
Rhombus - correct answer 4 sided polygon, in which all 4 sides are
congruent and opposite sides are parallel
Area of rhombus - correct answer area = (d1*d2)/2
D1 = diagonal 1
D2 = diagonal 2
What is another way to write 4 × 4 × 4?
A. 3 × 4
B. 8 × 4
C. 4^3
D. 3^4
E. 8^3 - correct answer c. The meaning of 43 is 4 times itself 3 times.