AMC: 8 and 10: Answer: E

Showing posts with label Answer: E. Show all posts

Tuesday, June 2, 2020

06/02/2020 (2019: AMC 8, Problem 8)

Q: Gilda has a bag of marbles. She gives 20% of them to her friend Pedro. Then Gilda gives 10% of what is left to another friend, Ebony. Finally, Gilda gives 25% of what is now left in the bag to her brother Jimmy. What percentage of her original bag of marbles does Gilda have left for herself?

$\textbf{(A) }20\qquad\textbf{(B) }33\frac{1}{3}\qquad\textbf{(C) }38\qquad\textbf{(D) }45\qquad\textbf{(E) }54$

06/01/2020 (2019: AMC 8, Problem 3)

Q: Which of the following is the correct order of the fractions 15/11, 19/15, and 17/13, from least to greatest?

$\textbf{(A) }\frac{15}{11} < \frac{17}{13} < \frac{19}{15}\qquad\textbf{(B) }\frac{15}{11} < \frac{19}{15} < \frac{17}{13}\qquad\textbf{(C) }\frac{17}{13} < \frac{19}{15} < \frac{15}{11}\qquad\textbf{(D) }\frac{19}{15} < \frac{15}{11} < \frac{17}{13}\qquad\textbf{(E) }\frac{19}{15} < \frac{17}{13} < \frac{15}{11}$

06/01/2020 (2019: AMC 8, Problem 2)

Q: Three identical rectangles are put together to form rectangle ABCD, as shown in the figure below. Given that the length of the shorter side of each of the smaller rectangles is 5 feet, what is the area in square feet of rectangle ABCD?

$[asy] draw((0,0)--(3,0)); draw((0,0)--(0,2)); draw((0,2)--(3,2)); draw((3,2)--(3,0)); dot((0,0)); dot((0,2)); dot((3,0)); dot((3,2)); draw((2,0)--(2,2)); draw((0,1)--(2,1)); label("C",(0,0),S); label("D",(3,0),S); label("B",(3,2),N); label("A",(0,2),N); [/asy]$

$\textbf{(A) }45\qquad\textbf{(B) }75\qquad\textbf{(C) }100\qquad\textbf{(D) }125\qquad\textbf{(E) }150$

Tuesday, June 2, 2020

06/02/2020 (2019: AMC 8, Problem 8)

Monday, June 1, 2020

06/01/2020 (2019: AMC 8, Problem 3)

06/01/2020 (2019: AMC 8, Problem 2)