Thread: ratio 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

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