Mr. and Mrs. Smith give their three children, Matt, Pat, and Stanley, weekly allowances in the ratio 1 : 3 : 6. The total allowance for the three children is $90 a week. When Stanley got a full-time job, the Smiths decided to stop his allowance and divide it between Matt and Pat in proportions that leave them with the same relative allowances they had. How much will Matt and Pat now receive as allowances