A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much times does B required for walking d km ?

A takes 2 hours more than B to walk d km, but if A doubles his speed,

1.	A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much times does B required for walking d km ?
A.	$\frac{d}{2}$$ hours
B.	hours
C.	hours
D.	$\frac{2d}{3}$$ hours
Answer» D. $\frac{2d}{3}$$ hours

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A takes 2 hours more than B to walk d km, but if A doubles his speed, then he can make it in 1 hour less than B. How much times does B required for walking d km ?

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