Question

Cabs’R Us charges $4.00 plus an additional $3.00 per mile for a ride. Call A Cab charges $2.00 plus an additional $4.00 per mile for a ride. At what distance? In miles, will the cost be the same for both companies.

Answer 1

After 2 miles, the cost will be same for both companies.

Step-by-step explanation:

Charges of Cabs'R Us = $4.00

Per miles charges = $3.00

Let,

x be the number of miles.

R(x) = 3x+4.00

Charges of Call A Cab = $2.00

Per mile charges = $4.00

A(x) = 4x+2.00

For same amount;

R(x) = A(x)

$3x+4.00=4x+2.00\\4.00-2.00=4x-3x\\2=x\\x=2$

After 2 miles, the cost will be same for both companies.

Keywords: function, subtraction

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