Add the fractions 
and write the result in simplest form.
A. 
B. 
C. 
D. 
E. 
Answer: A
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Solve the problem.Martha can rake the leaves in her yard in 6 hours. Her brother can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Approximate the number rounded to three decimal places, and truncated to three decimal places.0.38461538
A. 0.384 0.385 B. 0.385 0.385 C. 0.386 0.384 D. 0.385 0.384
Solve.The zoo has hired a landscape architect to design the triangular lobby of the children's petting zoo. In his scale drawing, the longest side of the lobby is 6 cm. The shortest side of the lobby is 5 cm. The longest side of the actual lobby will be 43 m. How long will the shortest side of the actual lobby be?
A. 0.5 m B. 51.6 m C. 0.4 m D. 35.8 m
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 7 miles per hour and Fred rides 10 miles per hour. In how many hours will they be 51 miles apart?
A. 2 hours B. Not enough information C. 3 hours D. 4 hours