Answer:
Stepby-step explanation:
step 1: L+W =18
step 2: L*W =80
find a pair factors 80 with a sum of 18 eg.
step 3: 1*80
step 4: 2*40
step 5: 4*20 etc.
One side is 6 the other is 17. If you multiply 6 by 17 it equals 102(AREA). If you add up, 6+6+17+17=46(PERIMETER)
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