The answer is 3.5 grams. 500 Milligrams is equal to half a gram.
Since he gained 4.5 lbs but he lost 4 + 3.5 + 2 = 9.5 lbs, in total, he lost 5 lbs.
hope it helps!
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Roman will have to pay $89.67 for his school supplies.
Since you needed help, I’ll show you my work so you know for next time:
85.40 (.05) = 4.27
85.40 + 4.27
= 89.67
I hope this helps :)
