Ellen boughy a tray of plants for $8.15 there where 16 plants in the tray if i bought only one what would it cost

Mathematics

2 answers:

zavuch27 [327]2 years ago

4 0

The cost will be 130.4 Hopes this helps. :)

MatroZZZ [7]2 years ago

4 0

Divide total price by the total number in the tray.

=$8.15/16
=$0.509 rounded to $0.51 cents each

One plant would cost $0.51 (rounded)

Hope this helps! :)

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a car travels along the highway to little rock a steady speed. when it begins it is 280 miles after 4 hours it 100

Nikitich [7]

The function that describes the car's distance from little rocks would be option A; y = 45x + 280

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Point 1:

(x, y) = (0, 280)

Since we are told the car's initial position is 280 miles in the time 0 h

Point 2:

(x, y) = (4, 100)

Since we are told the car's final position is 100 miles after 4h.

Let's find the Slope :

m = 45

Now, the equation of the line is:

y = mx + b

y = 45x + 280

Then, The function that describes the car's distance from little rocks would be option A; y = 45x + 280