Answer:
356
Explanation:
53 + 36 = 89
89 x 4 = 356
and where is the bar diagram????
At present he has x stamps
Every month he adds 6 numbers, for 8 months
So total added 8x6=48
The total will be x+48 which is expected to be twice of x
x+48=2x
Solving x=48
At present he has 48 stamps
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