Answer
Estimate=83 ft
Exact=83$\frac{1}{24}$ ft
Work Step by Step
Estimate:
14$\frac{1}{2}$$\approx$15
19$\frac{3}{8}$$\approx$19
23$\frac{5}{12}$$\approx$23
25$\frac{3}{4}$$\approx$26
15+19+23+26=83
Exact:
14$\frac{1}{2}$+19$\frac{3}{8}$+23$\frac{5}{12}$+25$\frac{3}{4}$
14$\frac{12}{24}$+19$\frac{9}{24}$+23$\frac{10}{24}$+$\frac{18}{24}$
81$\frac{49}{24}$
83$\frac{1}{24}$