If 14.28%of a number is added to uself the number become 640 find the number
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Let the number be x
A/q
14.28/100 × x = 640
=0.1428× x = 640
=0.1428x = 640
=0.1428x ÷ 0.1428 = 640 ÷ 0.1428 ( dividing both the side by 0.1428)
=x = 640 ÷ 357/2500
=x = 640 × 2500/357
=x = 1600000/357
A/q
14.28/100 × x = 640
=0.1428× x = 640
=0.1428x = 640
=0.1428x ÷ 0.1428 = 640 ÷ 0.1428 ( dividing both the side by 0.1428)
=x = 640 ÷ 357/2500
=x = 640 × 2500/357
=x = 1600000/357
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