Write a multiplication equation that represents these 6 grapefruit halves.

6 x 1/2 = 3

To write a multiplication equation that represents the six grapefruit halves, you can use the multiplication operator "x" or the asterisk symbol "*". Each grapefruit half is equivalent to half of a grapefruit. Therefore, you would multiply the number of grapefruit halves (6) by the fraction representing half (1/2).

The multiplication equation is:

6 x 1/2 = 3

Alternatively:

6 * 1/2 = 3

This equation represents that six grapefruit halves equal three whole grapefruits.

To represent the multiplication equation for 6 grapefruit halves, you can use the multiplication symbol (×) as follows:

6 × 1/2 = 3

This equation represents multiplying 6 by 1/2, which gives you 3 grapefruit halves.