Algebra nation topic 4 test yourself

Build Houses 50 = 5v + 2t 
Paint houses 30 = 1v +2t
Tthe system of equations represents the time and amount of houses that can be made in the allotted time. 50 and 30 will be the hour for each, and v= vinyl t=treated and the coefficient in front of the v and t represents the hours needed for each.