1. June collects books. Last year she had 20 books in her collection. Now she has 30 books. What is the percent increase of her
collection?
2. Mallory’s bill at the Townie Deli is $15.70, not including tax. If she leaves an 18% tip and has to pay 7% sales tax, how much is the total bill?
3. A tablespoon is equivalent to about 4 teaspoons. A recipe calls for 2/3 cup of sugar for every 1/2 teaspoon vanilla. What is the unit rate in tablespoons per cup?
2. Mallory’s bill at the Townie Deli is $15.70, not including tax. If she leaves an 18% tip and has to pay 7% sales tax, how much is the total bill?
3. A tablespoon is equivalent to about 4 teaspoons. A recipe calls for 2/3 cup of sugar for every 1/2 teaspoon vanilla. What is the unit rate in tablespoons per cup?
2 answers:
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Answer:
(35k + 20) cents
Step-by-step explanation:
First of all, let us have the value of each unit:
1 quarter = 25 cents
1 nickel = 5 cents
1 dime = 10 cents
Given that number of quarter = k
Quarters are 5 lesser than Nickels, so number of nickels = k+5
One more than twice as many dimes as quarters:
k = 2 Number of Dimes + 1
So, number of dimes =
Value of quarters = cents
Value of nickels =
Value of dimes =
So, total value of coins =