Question

ben is preparing a package to mail to his friend in switzerland. the parcel service he is using demands that his package be no greater than 55 cm on any side. if 1 inch is equivalent to 2.54 cm, what is the size limitation in inches?
a. 139.70 in
b. 134.75 in
c. 22.45 in
d. 21.65 in

Explanation:

Identify the given values and target unit

Using the Unit Conversion and Dimensional Analysis knowledge points

$$
LATEXBLOCK0
$$

Convert centimeters to inches

Using the Unit Conversion and Dimensional Analysis knowledge points

$$
LATEXBLOCK1
$$

Match with the given options

Using the Unit Conversion knowledge point

$$ 21.6535\text{ in} \approx 21.65\text{ in} \implies \text{Option (d)} $$

Answer:

• a. 139.70 in
• b. 134.75 in
• c. 22.45 in
• d. 21.65 in (Correct answer)