John says that 0.5y for y=1.4 is 0.7
is he correct? explain.
17 points

John is correct because 0.5 is equal to one half and multiplying something by its half is just same as dividing something in two and half of 1.4 is 0.5

(sorry if it's too long feel free to shorten it)

He is correct. It is the half of the 1.4.

$7.50x+$4.50y=midk it's been awhile since i've done one of these

The answer of the above is