Going by what I was taught in chemistry, there would only be 1.
% means per 100
so when figuring out percents it's good to use 100
so
on $100 7% would mean $7
on $50 7% would mean $3.5
in $200 7% would mean $14
Answer:
He bought 7 lightbulbs.
Step-by-step explanation:
37.19 - 3.73 = 33.46
33.46/4.78=7
