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In this lesson, you will learn about the mathematicalconcepts involved in international travel. In this activity, you will: *convert temperatures between ºF and ºC *convert currency between countries *convert measurements between the customaryUS units and international metric units. Convert 20ºC to F. ºF = ( ) + 32 ºF = ( x 1.8) + 32 20ºC = ºF Note: To take 5/9 of a number, you can multiply by 5, and then divide by 9. A formula to convert between ºF and ºC are shown. ºC = ( ºF – 32) x 5/9 ºC = ( ) x 5/9 41ºF = ºC Convert 41ºF to ºC. Converting between international currencies! Convert $5 US dollars to Japanese yen.Use an exchange rate of 1 US dollar: 110 yen US Japan x = yen x = 110 1 Cross multiplyto solve a proportion! In a proportion,cross productsare equal. Convert 61 Israeli new shekels to US dollars.Use an exchange rate of 1 US dollar: 4 Israeli new skekels Israeli USD x = $ US dollars Round to the nearest cent. x 4x = = 4 1 Converting Distances 3600 miles 1 Convert 3600 miles to km. Use 1 mile = 1.609 km. Round to the nearest km. Do not use commas. × 1.609 ? 1 ? mi km ≈ km 70 miles 1 hour Convert 70 mph to kph. Use 1 mile = 1.609 km. Do not round your answer. × mi km ≈ kpm |