MathDB

2

Part of 2022 MIG

Problems(2)

2022 A Individual #2

Source:

4/28/2022
A machine takes 66 seconds to make 44 coins. How long does it take for the machine to make 2222 coins? The machine makes coins at the same constant rate.
<spanclass=′latex−bold′>(A)</span>30<spanclass=′latex−bold′>(B)</span>33<spanclass=′latex−bold′>(C)</span>36<spanclass=′latex−bold′>(D)</span>39<spanclass=′latex−bold′>(E)</span>42<span class='latex-bold'>(A) </span>30\qquad<span class='latex-bold'>(B) </span>33\qquad<span class='latex-bold'>(C) </span>36\qquad<span class='latex-bold'>(D) </span>39\qquad<span class='latex-bold'>(E) </span>42
2022 A Individual
2022 B Individual #2

Source:

4/29/2022
Let xx be a number such that 10000x+2=410000x+2=4. What is the value of 5000x+15000x+1?
<spanclass=′latex−bold′>(A)</span>−1<spanclass=′latex−bold′>(B)</span>0<spanclass=′latex−bold′>(C)</span>1<spanclass=′latex−bold′>(D)</span>2<spanclass=′latex−bold′>(E)</span>3<span class='latex-bold'>(A) </span>{-}1\qquad<span class='latex-bold'>(B) </span>0\qquad<span class='latex-bold'>(C) </span>1\qquad<span class='latex-bold'>(D) </span>2\qquad<span class='latex-bold'>(E) </span>3
2022 B Individual