Timer
00:00
Answers
A
B
C
D
E
Stats
Difficulty—
Source: Manhattan Prep
Jenny takes 3 hours to sand a picnic table; Laila can do the same job in \(\dfrac{1}{2}\) hour. Working together at their respective constant rates, Jenny and Laila can sand a picnic table in how many hours?
A. \(\dfrac{1}{6}\)
B. \(\dfrac{2}{9}\)
C. \(\dfrac{1}{3}\)
D. \(\dfrac{3}{7}\)
E. \(\dfrac{5}{6}\)
The OA is D
Jenny takes 3 hours to sand a picnic table; Laila can do the same job in \(\dfrac{1}{2}\) hour. Working together at their respective constant rates, Jenny and Laila can sand a picnic table in how many hours?
A. \(\dfrac{1}{6}\)
B. \(\dfrac{2}{9}\)
C. \(\dfrac{1}{3}\)
D. \(\dfrac{3}{7}\)
E. \(\dfrac{5}{6}\)
The OA is D
