Explanation
Let the number be x According to the question, 91 - 30 x 100 " role="presentation" style="outline: none; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-stretch: inherit; line-height: normal; font-family: inherit; vertical-align: baseline; display: inline; text-align: inherit; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative; color: rgb(0, 0, 255);"> 30 x 100 30 x 100 = x 9100 - 30x = 100x Or, 9100 = 130x Or, x = 9100 130 " role="presentation" style="outline: none; margin: 0px; padding: 0px; border: 0px; font-variant: inherit; font-stretch: inherit; line-height: normal; font-family: inherit; vertical-align: baseline; display: inline; text-align: inherit; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; position: relative; color: rgb(0, 0, 255);"> 9100 130 9100 130 Hence, x = 70
