Answer:
108 In
Step-by-step explanation:
90 + 20x + 10x = 180
30x = 90
x = 3
Answer:
Step-by-step explanation: Divide

Step 1: Convert the mixed number to improper fraction


Step 2: Reciprocal

Step 3: Divide the common factors

Step 4: Multiply

Answer:
192
Step-by-step explanation:
The area of the cereal box = 8 x 3 x 10 = 240
Therefore, if 100% of the box is filled with
cereal, the amount of cereal in the box
will be 240.
now, 80% is x
80/100 = x/240
cross multiplying,
100x = 80×240
100x = 19 200
dividing both sides by 100
x = 192