Answer:
The answer of a is 56
Step-by-step explanation:
139 - 83 = 56
600x = 360000
So, the x should mean 'times'.
600 x 600 = 360000.
x = 600.
Answer:
75:125=3:5
Step-by-step explanation:
1. Add the total number of parts
3+5=8
2. Find out how much one part is
200/8=25
3. Multiply each ratio by 25
3*25=75
5*25=125
4. Check they add up to 200
75+125=200