The difference of two numbers is 15 and their ratio is 3:2. Find the numbers.
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The difference of two numbers is 15 and their ratio is 3:2. Find the numbers.
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Answer:
By using guess and check method, we will guess the some possible outcomes and test it out.
3 and 2 ( Difference is 1) X
6 and 4 (Difference is 2) X
9 and 6 (Difference is 3) X
45 and 30 (Difference is 15) Yes
Therefore by guess and check, the numbers are 45 and 30.
Method 2 requires mental modelling:
3U - 2U = 1U
As such, 1U represent the difference which is 15.
3U = 15 x 3 = 45
2U = 15 x 2 = 30
Therefore the numbers are 45 and 30.
I hope my answers are clear!
Answer:
The two numbers are 45 and 30.