Which pairs of numbers represent a number and it’s reciprocal

1 and 1

6 and 1/6

-4/7 and -7/4

Step-by-step explanation:

A reciprocal of a number is one divided by the number

r and 1/r  are reciprocals

1 and 1    1/1 = 1   are reciprocals

2/3 and -3/2 are not because of the negative sign only on one term

1/2  and 5   1 / 1/2 = 2   not reciprocals

6 and 1/6   are reciprocals

-4/7 and -7/4    1 / -7/4 = -4/7  so they are reciprocals

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)