Answer:
a=7, b=14
Explanation:
a. 2/6=x/21
cross multiply=
2×21=x×6
then solve
42=6x
divide both sides by 6
x=42/6=7
b. 150/84=25/x
84×25=150×x
2100=150x
divide both sides by 150
x=2100/150=14
HOPE THIS HELPS.
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