Step-by-step explanation:
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<h3>
Answer: D) 4.25</h3>
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Work Shown:
x - 3.4 > 17/68
x - 3.4 > 0.25
x - 3.4 + 3.4 > 0.25 + 3.4 .... add 3.4 to both sides
x > 3.65
Any number larger than 3.65 will work in place of x
Choice A does not work since 3.4 is not larger than 3.65
Choice B and choice C is the same story as well since 21/68 = 0.3088 approximately
Only choice D is larger than 3.65
Answer:
78 miles
Step-by-step explanation:
Given that:
Original length, L = 47 miles
Additional length (miles) added per day, = 1 mile
Representing as an equation :
L(D) = original length + additional length per day * number of days
Let, D = number of days
L(D) = 47 + D
Length after 31 days :
L(31) = 47 + 31
= 78 miles
since she paid $5 admission subtract it from $7.25
that is $2.25
then 2.25/ 0.75 and its 3
3 hours