SOLUTION: how would i solve this problem? Bill's recipe for onion soup calls for 4.20lb of thinly sliced onions. If an onion has an average mass of 145g , how many onions does Bill need?

Question 293076: how would i solve this problem? Bill's recipe for onion soup calls for 4.20lb of thinly sliced onions. If an onion has an average mass of 145g , how many onions does Bill need?
Answer by teacher121212(3) (Show Source): You can put this solution on YOUR website!
Given
1 DISABLED_event_Onion= 145 g
4.20 lb
1 lb = 453.6 g conversion factor
so convert 4.20 lb into grams
then grams into onions
4.20 lb * (453.6 g /1 lb) * (1 onion/145 g)=
1905.12/145 =
13.1388 ~ 13.1 three significant digits
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