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No.4.a) Find the amount of money whose 56% is Rs.140. b) Find the amount of money 0% is 75.c) Find the amount of 28% is Rs.70.d) Find the amount of 15% is Rs.204.Example - Let the amount = x15% of x =Rs.2015100X =Rs. 204 = = . 204 100 = 1360Thus the number is 1360. please answer step-by-step​

Answer»

4) a) The amount of money = 250b)The amount of money = 750c) The amount of money = 250D) The amount of money = 1360Step-by-step explanation:4) a) Let 'x' be the amount of money.56/100 × x = 14056x/100 = 14056x = 140 × 10056x = 14000x = 14000/56x = 250The amount of money = 250Check ⇒56/100 × x = 140x = 25056/100 × 250 = 14056/10 × 25 = 14028 × 5 = 140140 = 140L.H.S = R.H.SHence, verified.The answer is correct.b) Let 'x' be the amount of money. 10/100 × x = 75x/10 = 75x = 75 × 10X = 750The amount of money = 750Check ⇒10/100 × x = 75x = 75010/100 × 750 = 7575 = 75L.H.S = R.H.SHence, verified.The answer is correct.c) Let 'x' be the amount of money.28/100 × x = 707x/25 = 707x = 70 × 257x = 1750x = 1750/7x = 250The amount of money = 250Check ⇒28/100 × x = 70x = 25028/100 × 250 = 7028/10 × 25 = 7028/2 × 5 = 7014 × 5 = 7070 = 70L.H.S = R.H.SHence, verified.The answer is correct.d) Let 'x' be the amount of money.15/100 × x = 2043x/20 = 2043x = 204 × 203x = 4080x = 4080/3x = 1360The amount of money = 1360Check ⇒15/100 × x = 204x = 136015/100 × 1360 = 20415/10 × 136 = 2043/2 × 136 = 2043 × 68 = 204204 = 204L.H.S = R.H.SHence, verified.The answer is correct.                  HOPE IT HELPS U!             MARK AS BRAINLIEST!


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