Question 955396
S=smaller number; L=larger number
S=1/3L+1
S+L=21 Substitute for S
1/3L+1+L=21 Subtract 1 from each side.
4/3L=20 Multiply each side by 3/4.
L=15 ANSWER 1: The larger number is 15
S=1/3(L)+1=1/3(15)+1=5+1=6 ANSWER 2: The smaller number is 6.