Question

72) If 3/5th of a number exceeds 3/7th of the same number by 42, then what is the original number? A) 245 B) 315 C) 364 D) 420
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Answer 1

Answer:

a) 245 please brainlist answer

Step-by-step explanation:

3x/5=3x/7+42

3x/5-3x/7=42

(21x-15x)/36=42

6x/35=42

6x=42×35

x=245