percent change
What is percent change?
Percent change compares to qualities by expressing the absolute change as a percentage of the earlier value.
What is tax?
Text is a mandatory payment or charge to cover the cost of general government services goods and activities.
A proportion is an equation that states how many ratios?
Two
A ratio involves how many quantities
Two
What are multi step problems?
Multi step problems are multiple operations or steps to solve a problem.
How can you solve for percent change?
For percent change you can subtract the intial value from the final value divide that difference by the initial value and then multiplied by 100.
How can you solve for tax?
You can times original price by scales tax rate as a decimal.
A recipe called for 2 cups of flour for every three eggs if you want to make a larger batch with nine eggs, how much more flour do you need?
6 cups of flour
What is a ratio most often expressed as?
A Fraction
How can you solve for a multi step problem?
they often involve unit conversions, scaling, or comparison between two different ratios.
What is the percent change from 64 to 48?
25%
If you buy a new video game for $65 and the sales tax rate is 7.5% what is the total cost including tax?
$69.88
If 20 pencils equals five dollars how much do 25 pencils cost?
The cost of 25 pencils is $6.25.
Create a ratio of boys to girls. If you have 3 boys and 8 girls.
3:8, 3/8, and 3 to 8
A store sells boxes of chocolate each box Contains 12 chocolates a customer buys three boxes and then eats five chocolates later they buy two more boxes and shared 1/3 of the chocolates with their friend how many chocolates do they have left?
36 chocolates left
What is the percent of 174 out of 200?
87%
If a store has a 10% discount on all items but then at 6% sales tax if you buy a shirt for $25 what is the final price?
$23.85
I must be caused for 2 cups of flour, one cup of sugar and 3/4 cup of milk if you want to make a batch that yields 20 servings (instead of the original eight servings), how much of each ingredient do you need?
1.875cups or 1 and 7/8 cups
A school has 300 students. The ratio of boys to girls is7:5. If 50 more boys joined the school. What is the new ratio of boys to girls?
9:5
A train travels 240 miles and four hours. If it travels at a consistent speed, how many miles will it travel in 6 hours and 30 minutes?
390 miles
After a 25% increase a product price is $75. What is the original price?
$60
If you earn $100 a week working after school and 15% of your income is withheld for taxes how much would you take home each week?
$85
A map has a scale where 1 inch represents 20 miles if two cities are 3.5 inches apart on the map. What is the actual distance between them?
The actual distance is 70 miles
The ratio of voice to girls in a class is 5:3. If 20% of the boys leave, what is the new ratio of boys to girls?
4:3
A store has a sale where all items are 25% off. If a shirt cost $20 before the sale and the store also charges a 5% sales tax. What is the final price of the shirt?
16.50