3. -(0.5x +0.25) = -38

now we need to find x

x will be found by finding what you have to multiply to get to 38

-0.25 x 152=  -38 so x= 152

2 over 5

step-by-step explanation:

the 2: 3 ratio is the length of the ac segment to the cb segment total length. this implies that the ratio between segment ac length and segment ab length is 2: 5. point c is 2/5 from a to b, so the required fraction is 2/5.

go on the tube you might find some information there