Answer :
Final answer:
The equivalent ratio of 156:390 is found by simplifying the numbers based on their greatest common divisor (GCD), which is 78. By dividing both numbers by 78, the equivalent ratio is 2:5.
Explanation:
The equivalent ratio of 156:390 can be found by simplifying the ratio. To do this, you need to find the greatest common divisor (GCD) of both numbers and divide each part of the ratio by that number.
First, let's find the GCD of 156 and 390. The GCD of 156 and 390 is 78. We can now simplify the ratio by dividing both terms by 78:
- 156 ÷ 78 = 2
- 390 ÷ 78 = 5
So, the equivalent ratio of 156:390 is 2:5.
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