x does$$\frac{1}{4}$$ of a job in 6 days. y completes rest of the job in 12 days. Then x and y could complete the job together in = ?

${\text{7}}\frac{1}{3}{\text{ days}}$$

${\text{8}}\frac{1}{8}{\text{ days}}$$

${\text{9}}\frac{3}{5}{\text{ days}}$$

x does$$\frac{1}{4}$$ of a job in 6 days. y completes rest of the job

1.	x does$$\frac{1}{4}$$ of a job in 6 days. y completes rest of the job in 12 days. Then x and y could complete the job together in = ?
A.	${\text{9 days}}$$
B.	${\text{8}}\frac{1}{8}{\text{ days}}$$
C.	${\text{9}}\frac{3}{5}{\text{ days}}$$
D.	${\text{7}}\frac{1}{3}{\text{ days}}$$
Answer» D. ${\text{7}}\frac{1}{3}{\text{ days}}$$