She added, but she added to 37, so she should have subtracted 3 groups of 4 instead of adding.
12>x-5 is the answer your looking for. Make sure to put a line under the more than sign, my computer wouldn't allow me to plug that part in.
Answer:
GH = 9
Step-by-step explanation:
FH=FG+GH
21= 12+GH
GH = 21-12 =9
I hope I helped you^_^
3,100 mg is 3.1 grams as there a 1000 mg in a gram.
