If b = 28 when a = 7, find b when a is 5
Mathematics
Emma1230
Question
If b = 28 when a = 7, find b when a is 5
2 Answer

1. User Answers sweetheart23456
What's the expression and I think you do 28 times 7 minus 5 
2. User Answers Anonym
b: a=28: 7=4: 1
if a=5, b=5x4=20
That's your answer lovely~