A library collected one hundred thousand pennies to fund special projects. How many dollars did the library collect?

Rationale

The library collected $1,000.

One hundred thousand pennies is equivalent to $1,000 because there are 100 pennies in a dollar. Therefore, dividing the total number of pennies by 100 gives the total amount in dollars.

A ($10,100) YOUR ANSWER

This option incorrectly assumes an additional amount beyond the actual conversion of pennies to dollars. The calculation of one hundred thousand pennies only results in $1,000, and the figure of $10,100 does not relate to the total penny count.

B ($10,000) YOUR ANSWER

This choice mistakenly suggests a tenfold increase in the dollar amount. If one hundred thousand pennies were to equal $10,000, it would imply that each dollar consists of only 10 pennies, which is incorrect. The accurate calculation shows that it is only $1,000.

C ($1,100) YOUR ANSWER

This answer overestimates the total amount collected by incorrectly adding an extra $100 to the correct total. The conversion from pennies to dollars must reflect that one hundred thousand pennies equals $1,000, not $1,100.

D ($1,000) CORRECT

This choice accurately represents the conversion of one hundred thousand pennies into dollars. Dividing the total number of pennies (100,000) by the number of pennies in a dollar (100) results in $1,000, confirming the library's total collection.

Conclusion

The calculation of converting pennies to dollars is straightforward: dividing the total number of pennies by 100 gives the dollar amount. In this case, one hundred thousand pennies equals $1,000. All other options either miscalculate or misinterpret the relationship between pennies and dollars, emphasizing the importance of accurate unit conversion in financial contexts.

A library collected one hundred thousand pennies to fund special projects. How many dollars did the library collect?

The library collected $1,000.

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