Don’t understand help

Barb had 16 sports cards to begin with

Step-by-step explanation:

x - 6 = 10

We will add 6 on both sides of the equal sign. We add to make the minus 6 become 0.

x = 16

2,600 divided by 80 = 32.5

step-by-step explanation:

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.