Best answer gets brainiest

A is  the most promising answer

Step-by-step explanation:

It was kinda hard but a rational number a number that can be written other people can tell you another answer but my logical guest is A because the pair could be written in fraction sorry if I'm wrong.

Also, remember rational number are numebr that can be converted into a fraction 0.296 can be converted into 37/125

0.9888 can be converted into 618/625

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100