A number 54 is divided into two parts so that 10 times the first and 22 times second are together equal to 780.The diffrence of the part is
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54 = 1st part + second part
Let the first part be x
so second part becomes 54-x
according to the question
10x + 22(54-x) = 780
10x + 1188-22x = 780
-12x = 780-1188
-12x = -408
x = 408/12
x = 34
so the first part is 34
second part is 54-x = 54-34 = 20
Let the first part be x
so second part becomes 54-x
according to the question
10x + 22(54-x) = 780
10x + 1188-22x = 780
-12x = 780-1188
-12x = -408
x = 408/12
x = 34
so the first part is 34
second part is 54-x = 54-34 = 20
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