18.6 rounded to nearest tenth is 19.0 or just 19
Well, since it asks for an estimation, let's make a rough guess.
Let's round 24% to 25%.
25% is 1/4 of 60.
60 divided by 4 equals to 15.
Estimate will be 15.
f=0.03b represents the relationship between fee charged and amount of transfer.
Step-by-step explanation:
Given,
Amount of balance transfer = b
Fee charged on balance transfer = f = 3%
Amount of fee charged on balance transfer = 3% of amount of balance transfer
Amount of fee charged = 
Amount of fee charged = 0.03b
Therefore,
f=0.03b
f=0.03b represents the relationship between fee charged and amount of transfer.
Keywords: percent, division
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Umm so I’m thinking -12,470, but in scientific notation it is -1.247 x 10^4