You did everything correctly! I did it myself...all of your subtraction is correct, then I added the answers together and I got 51. Where you trying to get another answer?
Answer:
I think d.) 1
Step-by-step explanation:
1/2 and 3/4 is a 1/4 difference bc 1/2= 2/4
3/4 + 1/4 is a cup. I may be wrong
Answer:
D. 489
Step-by-step explanation:
489 has the number,
four - 4
eight - 8
and <em><u>ONE</u></em> nine - 9
<em>Hope this helps :)</em>