3 years ago

Two numbers in a ratio 5:4 . Their sun is 720.find the bigger number.show your reasoning

1 answer:

6 0

5x + 4x = 720
9x = 720 (divide by 9)
X= 80
In order to get the bigger ratio, which is 5, you would substitute x for 80. (I'm bad at explaining)
Work:
5(80)= 400

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