It`s already in standard form but anyways the correct answer is 49.08
Hey mate!
You stuck?
Xian and Kai would both need to receive stamps for 6 months to eventually have the same amount of stamps.
Xian: 12 stamps from club x 6 months + 56 stamps = 128
Kai: 8 stamps from club x 6 months + 80 stamps = 128
Hope this helps! :)
(-50) would be the way to represent a withdrawal. a withdrawal means taking away, aka subtracting, which makes it a negative integer.
It’s a little blurry can’t really read it