IXL | Percent of a number: tax, discount, and more | 7th grade math

or

Hazel
ate
lunch
at
a
restaurant.
The
bill
came
to
$91.
If
she
left
a
20%
tip,
how
much
was
the
tip?

$

ref_doc_title.

or

Learn with an example

question

Jeanette's
bill
for
dinner
at
a
restaurant
was
$20.
She
left
a
20%
tip.
What
was
the
amount
of
the
tip?

$

key idea

A percent is 1 part out of 100.

1%
is
equal
to
1
100
or
0.01.

solution

Write the percentage as a decimal.

20%

=

0.2

Multiply the decimal by the amount of the bill. Multiply as you would multiply whole numbers, then write the decimal point in the answer.




		2	0

×	0	.	2

	4	.	0

The tip was $4.

Looking for more? Try these:

Lesson: Percents

Lesson: Percent change

or

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Teacher tools

Work it out

Not feeling ready yet? These can help:

O.6Percents of numbers and money amounts

D.1Add and subtract decimals

X.4Compare decimal numbers

Lesson: Percents

Lesson: Percent change