A mechanic can install carburetors in 3 cars every 4 hours. At that rate, how long will it take the mechanic to install carburetors in 5 cars?
A. 6 hr. 20 min.
B. 6 hr. 40 min.
C. 7 hr. 15 min.
D. 7 hr. 30 min.
E. 7 hr. 45 min.

the line of

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

answer: you will have more water.