2(2x +4y) +(3x -y) = 2(10) +(8)
.. 7x +7y = 28
Marla has incorrectly calculated the constant as 12. It should be 28.
To find the answer, you first need to find 20% of 65. Add this number, 13, to 65. This will give you the number you need, which is 78. Simple as that.
Answer:
a. To find the turtle’s unit rate, Meredith wrote the following complex fraction. Explain how the fraction 5/6 was obtained.
b. Determine the unit rate when the turtle’s speed is expressed in miles per hour
I did the operation I got -24
5 is the slope because it is the coefficient of x