Question

A recipe for 3 servings calls for 2 grams of chili powder, how many milligrams are needed for 6 servings

Answer 1

3servings=2garms
6servings=xgrams

easy way is
3 imes 2=6 so
2 times 2=4
answer is 4 grams
the ratio and proportion way
3:2=6:x
3/2=6/x
3x=12
x=4

4 grams
now convert to miligrams
1gram=1000 milgram
4 grams=4000 miligram

answer is 4000 miligrams