(a) Two temperatures are in the ratio 16:13. If the second temperature is 169C, what is the first temperature?

(b) Two speeds are in the ratio 8:3. If the first speed is 320Km/h,what is the second speed?

please show working out thanks(Hi)(Hi)

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- Mar 8th 2010, 09:00 AMtinagreg13ratio and proportion
(a) Two temperatures are in the ratio 16:13. If the second temperature is 169C, what is the first temperature?

(b) Two speeds are in the ratio 8:3. If the first speed is 320Km/h,what is the second speed?

please show working out thanks(Hi)(Hi) - Mar 8th 2010, 10:34 AMQuacky

Remember that whatever you multiply one side of the ratio by, you must multiply the other side by the same number.

, So

Because both sides of the ratio have to be multiplied by to get from in ratio 1 to in ratio 2.

Answer:

Have an attempt at the second part yourself (Wink)