400 ÷ 77 x 100 + 2000 - 55 + 999
u would use dmas :
1. division
2. multiplication
3. addition
4. subtraction
400 ÷ 77 = 5.19
5.19 x 100 + 2000 - 55 + 999
5.19 x 100 = 519
519 + 2000 - 55 + 999
519 + 2000 + 999 = 3518
3518 -55 = 3463
hope this helps
Answer: 5/4 or 1 1/4
Step-by-step explanation:
3/4 = u-5/10
Add 5/10 to both sides
3/4 + 5/10= u
Make both fractions have the same common denominator
3/4 + 2/4 = u
Add
Final Answer: 5/4 or 1 1/4