GET READY FOR THE AMC 10 WITH AoPS
Learn with outstanding instructors and top-scoring students from around the world in our
AMC 10 Problem Series online course.
Difference between revisions of "2018 AMC 10B Problems"
(→Problem 1) |
(→Problem 2) |
||
| Line 8: | Line 8: | ||
<math>\textbf{(A) } 64 \qquad \textbf{(B) } 65 \qquad \textbf{(C) } 66 \qquad \textbf{(D) } 67 \qquad \textbf{(E) } 68</math> | <math>\textbf{(A) } 64 \qquad \textbf{(B) } 65 \qquad \textbf{(C) } 66 \qquad \textbf{(D) } 67 \qquad \textbf{(E) } 68</math> | ||
| + | |||
| + | == Problem 3== | ||
| + | |||
| + | In the expression <math>\left(\underline{\qquad}\times\underline{\qquad}\right)+\left(\underline{\qquad}\times\underline{\qquad}\right)</math> each blank is to be filled in with one of the digits <math>1,2,3,</math> or <math>4,</math> with each digit being used once. How many different values can be obtained? | ||
| + | |||
| + | <math> | ||
| + | \textbf{(A) }2 \qquad | ||
| + | \textbf{(B) }3\qquad | ||
| + | \textbf{(C) }4 \qquad | ||
| + | \textbf{(D) }6 \qquad | ||
| + | \textbf{(E) }24 \qquad | ||
| + | </math> | ||
Revision as of 16:04, 16 February 2018
Problem 1
Kate bakes 20-inch by 18-inch pan of cornbread. The cornbread is cut into pieces that measure 2 inches by 2 inches. How many pieces of cornbread does the pan contain?
Problem 2
Sam drove 96 miles in 90 minutes. His average speed during the first 30 minutes was 60 mph (miles per hour), and his average speed during the second 30 minutes was 65 mph. What was his average speed, in mph, during the last 30 minutes?
Problem 3
In the expression 
each blank is to be filled in with one of the digits 
or 
with each digit being used once. How many different values can be obtained?
