Math Trick Question

Level 2

which step is wrong if you were to try to find the weight of 1 penny?

1 pound = 100 penny $\quad$ Step 1
= 10 penny x 10 penny $\quad$ Step 2
= 1/10 pound x 1/10 pound $\quad$ Step 3
= 1/100 pound $\quad$ Step 4
= 1 penny $\quad$ Step 5

=> 1 pound = 1 penny

step 1 is wrong step 3 is wrong step 2 is wrong step 4 is wrong

1 solution

X X
Aug 12, 2018

Step 1 to Step 2: 100 penny= 10 penny x 10 penny= 100 penny^2

Uhh... "penny^2" ?

Math Trick Question

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