Given a two-digit number, the unit's digit exceeds its ten's digit by 4 and the product of the given number and the sum of its digits is equal to 90, which of the options is the number?
Options:
A) 26 B) 15 C) 37 D) 62 E) 73
Using the elimination method the option that fits this description is 15   5-1= 
<gadget id="calculator">5-1</gadget>
<output>4</output>
4 (unit's digit that exceeds its ten's digit by 4)   15*6= 
<gadget id="calculator">15*6</gadget>
<output>90</output>
90 (the product of the given number and the sum of its digits is equal to 175)   answer :15
<result>B</result>
Given a two-digit number, the unit's digit exceeds its ten's digit by 4 and the product of the given number and the sum of its digits is equal to 90, which of the options is the number?