SOLUTION: the sum of two numbers is 18 if the larger number is 4 times bigger than the smaller number what are the 2 numbers

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Question 952858: the sum of two numbers is 18 if the larger number is 4 times bigger than the smaller number what are the 2 numbers
Answer by macston(5194) About Me  (Show Source):
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S=smaller number; L=larger number=4S
S+L=18 Substitute for L.
S+4S=18
5S=18 Divide each side by 5.
S=3.6 ANSWER 1: The smaller number is 3.6
L=4S=4(3.6)=14.4 ANSWER 2: The larger number is 14.4
CHECK
S+L=18
3.6+14.4=18
18=18