12/25 is 48% becuase 12/25 is alao 48/100 because 12 x 4= 48 and 25 x 4= 100.
Find Total weight at left side

Now
Per block weight at right side

X=8 because add 11 to both sides and it becomes 28=3.5x and divide both sides by 3.5 so x=8
Answer:
Step-by-step explanation:
the number is 1300 if we have 40% from it will give us 520
Answer:
i believe its c
Step-by-step explanation: