Since money and percent are both based on 100, it is easy to think in terms of money and convert to fractions and decimals. Example: 20 nickels is 1 dollar, so 1 nickel is 1 20 of a dollar. Also, a nickel is 5 cents, or $0.05. Therefore: 5 1 100 20 This is called a benchmark because it helps in quick mental estimation and calculation. nickel Try It Use money ideas to write similar benchmarks the first blank should have the value out of 100, the second blank should have the reduced fractional form, and the third blank should have the decimal form. Part A: penny = 0.05 Part B: dime 100 (reduced fraction form) (decimal form) 100 (reduced fraction form)
Since money and percent are both based on 100, it is easy to think in terms of money and convert to fractions and decimals. Example: 20 nickels is 1 dollar, so 1 nickel is 1 20 of a dollar. Also, a nickel is 5 cents, or $0.05. Therefore: 5 1 100 20 This is called a benchmark because it helps in quick mental estimation and calculation. nickel Try It Use money ideas to write similar benchmarks the first blank should have the value out of 100, the second blank should have the reduced fractional form, and the third blank should have the decimal form. Part A: penny = 0.05 Part B: dime 100 (reduced fraction form) (decimal form) 100 (reduced fraction form)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Since money and percent are both based on 100, it is easy to think in terms of money and convert
to fractions and decimals.
Example: 20 nickels is 1 dollar, so 1 nickel is
Therefore:
nickel
5
1
100 20
This is called a benchmark because it helps in quick mental estimation and calculation.
Part A: penny =
1
200
20
0.05
Part B: dime
Try It
Use money ideas to write similar benchmarks - the first blank should have the value out of 100, the
second blank should have the reduced fractional form, and the third blank should have the decimal
form.
of a dollar. Also, a nickel is 5 cents, or $0.05.
(decimal form)
100
(reduced fraction form)
100
(reduced fraction form)
Transcribed Image Text:11
Part C: quarter
||
||
Part D: half dollar
40
Part E: dollar
(decimal form)
(reduced fraction form)
(decimal form)
/100
(decimal form)
(reduced fraction form)
(decimal form)
/100
100
(reduced fraction form)
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