'a' varies directly as 'b' and when a=10 and b=5 find a,when b=20 plz help me
Answers
Answered by
1
Answer:
a=10 a=x
b=5 b=20
10/5=x/20
10/5*20=x
2*20=x
40=x
Answered by
0
Answer:
hey,here v go
Step-by-step explanation:
from question ,understand b is half of a
this is the key point which leads you to answer
when b=20
a=2×20
=40
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