Convert to Improper Fractions.Multiply the Fractions.convert the result back to Mixed Fractions.
Given :
A 18-mile taxi ride takes 21 minutes and costs $12.60.
To Find :
The cost of a 39- mile taxi ride. What unit price do you need.
Solution :
Unit price per mile :

Cost of 39 mile taxi ride :

Therefore, unit price is $27.3 and unit price is $0.7 / mile .
Hence, this is the required solution.
Answer:
<h2>(a) 5</h2><h3>> 5 is greater than 4</h3>
The value of k is
<h3>How to solve the simultaneous equation?</h3>
Given:
x-y=k.............(eq i)
2x²+y²-15..............(eq ii)
We would make y the subject formula in eq ii
2x²+y²-15= 0
2x² + y²= 15
y²= 15-2x²
y=
...........(eq iii)
Substitute the value of y into eq i
x-(
= k
x- (
= k
k= 
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