Length = x
width = 2x
perimeter = 138in
in order to find perimeter you add length and width twice, so;
2(2x + x) = 138
2(3x) = 138
6x = 138
x = 23
since x = 23;
the length is 23in and the width is 46in
Answer:
how much is there what??
Step-by-step explanation:
zinc = 150lbs
Total alloy = 1000lbs