Ben sat outside his school in cambridge and made a note of the colour of the first 100 cars that passed. 27 of the cars were red
in Britain there are around 35 million cars on the road
use bens findings to give an estimate of how many cars on the road are red

9,450,000 is your answer for the question

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb