Non-Prefix Conversion Problems

Non-Prefix Conversion Problems

• Ex.(1) How many kilograms (to the nearest kg) is 143 lbs? (2.2 lbs = 1.0 kg)

____________ = ____________X 143 lbs1.0 kg 2.2 lbs

X = 65 kg

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(2) How many calories (to the nearest tenth) are in 211.09 J? (1.00 cal = 4.18 J)

____________ = ____________X 211.09 J1.00 cal 4.18 J

X = 50.5 cal

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(3) How many joules (to the nearest whole number) are in 25.0 cal? (1.00 cal = 4.18

J)

____________ = ____________X 25.0 cal

4.18 J 1.00 cal

X = 105 J

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(4) How many calories are in 175.0 Calories (food calories)? (1000 cal = 1.000

cal)

____________ = ____________X 175.0 Cal

1000 cal 1.000 Cal

X = 175000 cal

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(5) How many Calories are in 2491 calories? (1000 cal = 1.000 cal)

____________ = ____________X 2491 cal1.000 Cal 1000 cal

X = 2.491 Cal

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(6) To the nearest ten, how many joules are equal to 300.0 calories? (1.00 cal =

4.18 J)

____________ = ____________X 300.0 cal

4.18 J 1.00 cal

X = 1250 J

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(7) how many centimeters (to the nearest whole number) is 84.5 in? (1.00 in = 2.54

cm)

____________ = ____________X 84.5 in

2.54 cm 1.00 in

X = 215 cm

Cross multiply and then divide

Non-Prefix Conversion Problems

• Ex.(8) how tall are you (to the nearest whole number) in centimeters?

____________ = ____________X 70.0 in2.54 cm 1.00 in

X = 178 cm

Cross multiply and then divide