A student chose a number, multiplied it by 5, then subtracted 138 from the result and got 102. What was the number he chose? Choose the correct choice from the following
A) 48	B) 120	C) 130	D) 140	E) 150
Solution:   Let xx be the number he chose, then   5⋅x−138=102   5x=240   x=48   48nswer 48
<result>A</result>
A student chose a number, multiplied it by 5, then subtracted 138 from the result and got 102. What was the number he chose?