Lin and jen each thought of a number. lin thought of a 2-digit number. jen’s number is 7 times as big as lin’s. but, if lin writes 0 between the digits of her number, she’ll get jen’s number. what are the numbers?

(hurry! ) which expression is equivalent to the following complex fraction?

What does x = in this equation x+3+2x=x+5

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer