Question

The perimeter is less than

or equal to 51 meters.
10 m
8m
8 m
10 m

Solve the inequality

Answer 1

Form the inequality. Remember, the perimeter is the sum of all sides.

(8•2)+(10•2)+x≤51

16+20+x≤51

36+x≤51

x≤51-36

x≤15

Therefore,

(8•2)+(10•2)+15≤51

16+20+15≤51

51≤51