Answer:
WRONG ALL
Step-by-step explanation:
3. Should be:

4. Should be:

I hope this helps you :)
1200 x .35 = 420
1200 - 420 = 780
$780
You need to make the bottom fraction a common multiple !!
Answer:
1/4
Step-by-step explanation:
2 1/2 * 1/10 = 1/4