The Percent Equation
Finding the Percent of Change
Discounts
Markups
More Percents
100
93 is what percent of 117?
93=117x 93/117=x/117 0.79=x What is 79%?
100
Suzie had 5 books, but now has seven.
7-5=2 2/5=0.4=40% What is 40% increase?
100
A store is having a sale. Today all jeans are 17% off, and are regularly $40.
40 x .17=6.8 40-6.8=33.2 What is $33.2?
100
The shirt costs $5 to make, but the store wants to markup the shirt by 67%.
5 x .67=3.35 5+3.35=8.35 What is $8.35?
100

What number is 59% of $45?

$26.55

200
65% of what number is 14?
0.65x=14 x/0.65=14/0.65 What is 21.5?
200
52 gal. of milk were sold on tuesday, and 78gal. were sold on Saturday.
78-52=26 26/52=0.5 What is 50% increase?
200
Dicks is having a 50% off all winter apparel sale, and I want running leggings that are regularly $78.89.
.5 x 78.89=39.445 78.89-39.445=39.445 What is $33.45?
200
I buy a necklace for $40 but mark it up 87.5% This is how much I sell it for.
40 x .875=35 40+35=75 What is $75?
200

16 is what percent of 80?

20%

300
40% of 20 is what number?
0.40 x 20=x 8=x What is 8?
300
Ruth drew 5 pictures a day five years ago, but now only draws 1 picture a day.
5-1=4 4/5=0.8 What is 80% decrease?
300
A bakery is going out of business and they're selling their decorated cakes for $35 but with 10% off. You also get a $5 gift card with your cake purchase.
35 x .1=3.5 35-3.5=31.5 31.5-5=26.5 What is $26.5?
300
A store markups $63 shoes by 40%. That is how much Seth buys them for.
63 x .4=25.2 63+25.2=88.2 What is $88.20?
300

$8.07 is 30% of what number?

$26.90

400
120 is what percent of 48?
120=48x 120/48=x/48 2.5=x What is 250%?
400
117 crayons were broken yesterday, and today 120 are broken.
120-117=3 3/117= What is 2.6% increase?
400
Sara's lemonade stand is not attracting much business at 25 cents a cup, so she starts to sell it 15% off.
.25 x .15=0.0375 .25-0.0375=.2125 What is 21 cents?
400
iPhones cost $20 to make, but Apple puts a 800% markup on them to get this cost.
20 x 8=160 20+160=180 What is $180
400

A $35 item is marked as 25% off. What is the discounted price?

26.25

500
98 is 80% of what number?
98=0.8x 98/0.8=x/0.8 122.5=x What is 122.5?
500
There were 90 customers yesterday and 350 today.
350-90=260 260/90=2.8888 What is 289% increase?
500
Maragret's parents think she's spoiled, so they decrease her allowance of $8 a month by 30%.
8 x .3=2.4 8-2.4=5.6 What is $5.60 a month?
500
A technology store puts a 14% markup on everything in their stores. A radio costs $56 to make. This is the marked up cost.
.14 x 56=7.84 56+7.84=63.84 What is $63.84?
500

If sales taxe rate is 8.25%, how much would you pay for an item that costs $24.00?

$25.98

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