Zombies lose limbs. Mutants grow limbs. Mutant-zombies do both. Today, a certain mutant-zombie grew 5
55 limbs, lost
12
1212 limbs, and grew another
2
22 limbs.
How many limbs does the mutant-zombie have compared to yesterday?

For this case we have the following amounts:

If we rewrite by rounding down the ten thousand we have:

The other amount given is:

If we rewrite rounding down the hundred we have:

Now, if we compare 40,000 with 400, it is observed that the digit "4" of the first quantity is 100 times larger than the digit "4" of the second quantity.

it is observed that the digit "4" of the first quantity is 100 times larger than the digit "4" of the second quantity.