Answer:
600
Step-by-step explanation:
Since
7 : 10 = 420 : X
Then we know
10/7 = X/420
Multiplying both sides by 420 cancels on the right
420 × (10/7) = (X/420) × 420
420 × (10/7) = X
Then solving for X
X = 420 × (10/7)
X = 600
Therefore
7 : 10 = 420 : 600
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Answers & Comments
Answer:
600
Step-by-step explanation:
Since
7 : 10 = 420 : X
Then we know
10/7 = X/420
Multiplying both sides by 420 cancels on the right
420 × (10/7) = (X/420) × 420
420 × (10/7) = X
Then solving for X
X = 420 × (10/7)
X = 600
Therefore
7 : 10 = 420 : 600