Fraction to Decimal
Decimal to Fraction
Decimal to Fraction
1/2
.5
Do the following ratios form a proportion? Use two different methods to prove your answer.
4/7 and 12/21
yes
-cross product, ratio table, scale factor
27%
.27
12 is what percent of 60?
20%
A piano costs $4,220, but it is 35% off. What is the sale price?
$2,743.00
2/3
.6666666 repeating
Solve the proportion using two different methods.
3/8=15/x
x=40
8%
.08
what is 27.5% of 150?
41.25
A book is $29 and it is 40% off. What is the sale price?
$17.40
5/2
2.5
Solve the proportion using two different methods.
4/8=x/9
4.5
2.4
240%
154 is 80% of what number?
192.5
Jeans cost $45, and there is a 6% sales tax. Find the final price.
$47.70
5/12
.416666... repeating
Solve the following problem using a ratio table.
The ratio of oil to vinegar in a salad dressing is 9:5. How much oil must be blended with 8 liters of vinegar for that recipe?
14.4 liters of vinegar
.48%
.0048
Thirty six is 24% of what number?
150
A set of golf clubs cost $250 and there is a mark-up of 5.5%. What is the sale price?
$263.75
11/9
1.2222 repeating
Solve the proportion.
3/4=12/(x+2)
x=14
7.2%
.072
Thirty percent of the CDs that Monique owns are classical. If Monique owns 120 CDs, how many are classical?
36 CDs
Shoes are $38 and they are on sale for 15% off. The sales tax is 4.3%. Find the final sale price. Round to the nearest hundredth.
$33.69