I'm tortured to death by math problems. I don't remember them! ! ! ! Nine lives - Training Enrollment Network

I'm tortured to death by math problems. I don't remember them! ! ! ! Nine lives

Solution: Suppose you buy X celebrity stamps, then the landscape stamp is 50-X.

0.8x-0.3(50-x)= 18

0.8x- 15+0.3x= 18

1. 1x=33

x=30

He bought 30 celebrity stamps.

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