AWM+11+Ch+0_2+Unit+Conversions

__ Chapter Zero - topic two - **Unit Conversions** __  The majority of units can be interconverted by ways of proportions. Notable exceptions include interchanging degrees Celsius and degrees Fahrenheit.  To convert units, one must know the conversion factor between the two units involved.  Please memorize the following conversion factors! 1 day = 24 hours 1 week = 7 days 1 year = 12 months = 52 weeks = 365 days 1 metre = 100 centimetres 1 kilometre = 1000 metres 1 foot = 12 inches 1 yard = 3 feet ||  Ex 1: //How many centimetres are in 2.56 m?//  Solution: We know there are 100 centimetres in 1 metre.  Therefore, we can write --->  <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Using //x// as the unknown for the number centimetres in 2.56 m, <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> we write ---> <span style="font-family: Calibri,sans-serif; font-size: 14.6667px;"> <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Cross-multiplying, we get ---> (1)(x) = (100)(2.56) <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> ---> x = **256** <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> There are **256 cm** in 2.56 m. <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Ex 2: //Convert 54 inches to feet (round to 1 decimal place).// [answer: 4.5 ft] <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Ex 3: //Convert 12.5 km to metres.// [answer: 12 500 m] <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Ex 4: //Convert 135 days to years (round to 2 decimal places).// [answer: 0.37 yr] <span style="background-color: #fef4ec; color: #000000; font-family: Calibri,sans-serif; font-size: 14.6667px; text-align: start;"> Ex 5: Convert 2500 minutes to days (round to 1 decimal place). [answer: 1.7 d]
 * <span style="font-family: Calibri,sans-serif; font-size: 14.6667px;"><span style="font-family: Arial,sans-serif; font-size: 16px;">1 minute = 60 seconds 1 hour = 60 minutes