Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks.

A bride-to-be had already finished assembling 10 wedding favors when the maid of honor came into the room to help. The bride assembles at a rate of 1 favor per minute. In contrast, the maid of honor works at a speed of 2 favors per minute. Eventually, they will both have assembled the same number of favors. How long will that take? How many favors will each have made?
After__minutes, the bride-to-be and the maid of honor will each have made __ favors.