1.61 is the correct answer
Answer:
-4
Step-by-step explanation:

Answer:
The ratio 2 1/2 to 6 1/2 is

Step-by-step explanation:
Ratio:
In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the second.
It is also the Fraction
.
For example, if a bowl of fruit contains eight apples and six kiwis, then the ratio of apples to kiwis is eight to six.
i.e 8:6, which is equivalent to the ratio 4:3.
Now here,

Ratio of 2 1/2 to 6 1/2

OR

Number of red cars = x
Number of white cars = y
x + y = 75
y + 3 = 2x
x + y = 75
y = 75 - x
(75 - x) + 3 = 2x
78 = 3x
26 = x
y + 3 = 2(26)
y + 3 = 52
y = 49
There are 49 white cars.