10
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4200 / x = 420
Algebraically rearrange
4200 / 420 = x
Cancel down by '10;
420 /42 = x
Cancel down by '42'
10/1 = 10 The answer
70
Well, isn't that a happy little math problem! To find one fifth of 420, you simply divide 420 by 5. So, 420 divided by 5 equals 84. That's the magic number you're looking for, a peaceful little fraction of the whole.
4200 is ten times 420
143
To determine how many 10 pence coins are in 42 pounds, we must first convert pounds to pence. Since there are 100 pence in a pound, 42 pounds would be equal to 4200 pence. To find the number of 10 pence coins in 4200 pence, we divide 4200 by 10, which equals 420. Therefore, there are 420 10 pence coins in 42 pounds.