9. Your digital camera has a 512 megabyte memory card. You take pictures at two resolutions, a low resolution requiring 4 megaby
2 answers:
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Answer:
Step-by-step explanation:
Let "s" be the the speed of the car taking the shorter route in ,
Let "s-2" the speed of the cat taking the longer route in ,
Let "d" be the distance of the shorter route in miles and "d+43" be the distance of the longer route in miles.
Now, Equation for car taking the shorter route is given as:
(1)
and Equation for car taking the longer route is given as:
(2)
Now, substitute equation (1) in (2), we get
⇒
⇒
Therefore, equation (1) becomes,
Thus, the shorter route is =275 miles and the longer route is =d+43=275+43= 318 miles.