Question

Write as an algebraic expression and simplify if possible:
A number that is 20% greater than b

Answer 1

1.2b

Explanation:

When we say, "a number that is 20% greater than b," we're talking about a number that is ...

b + 20%×b

= b + 0.20b

= b(1 + 0.20)

= 1.2b