Answer:
d=4.5
Step-by-step explanation:
d+5.5=10
d=10-5.5
d=4.5
Hope this is helpful
if a whole number, put the number above a one like so : if the number was 8, write it as 8/1
multiply the number by the reciprocal of the fraction
example: 8 divided by 1/3
8/1 times 3/1 =24/1
=24