Unit Review: Consumer math

H.1Find each unit price. Write the better buy.

1. 1
   Which is the better buy for orange juice: $42$ fl oz for $\text{\$}13.02$, $54$ fl oz for $\text{\$}20.52$, or $55$ fl oz for $\text{\$}17.60$?
2. 2
   Which is the better buy for dog food: $29$ lb for $\text{\$}11.89$ or $38$ lb for $\text{\$}16.34$?
3. 3
   Which is the better buy for trail mix: $23$ oz for $\text{\$}13.57$, $24$ oz for $\text{\$}13.68$, or $28$ oz for $\text{\$}15.40$?
4. 4
   Which is the better buy for cereal: $15$ oz for $\text{\$}7.95$ or $22$ oz for $\text{\$}11.44$?

H.2H.3Answer each question.

1. 5
   A board game that costs $\text{\$}18.00$ is on sale for $25\%$ off. How much do you save?
2. 6
   A video game that costs $\text{\$}27.00$ is on sale for $30\%$ off. How much do you save?
3. 7
   A tent that costs $\text{\$}71.00$ is on sale for $30\%$ off. How much do you save?
4. 8
   A skateboard that costs $\text{\$}52.00$ is on sale for $30\%$ off. What is the sale price?
5. 9
   After a $15\%$ discount, a jacket costs $\text{\$}209.10$. What was the original price?

H.3H.4Answer each question. (continued)

1. 10
   With $8\%$ sales tax, a bike costs $\text{\$}274.32$ in all. What was the price before tax?
2. 11
   With $6\%$ sales tax, a lamp costs $\text{\$}166.42$ in all. What was the price before tax?
3. 12
   With $6\%$ sales tax, a bike costs $\text{\$}107.06$ in all. What was the price before tax?
4. 13
   A dinner bill is $\text{\$}81.00$. The family leaves a tip of $15\%$. What is the total with the tip?
5. 14
   A dinner bill is $\text{\$}23.00$. The family leaves a tip of $25\%$. How much is the tip?

H.4Answer each question. (continued)

1. 15
   A store buys a video game for $\text{\$}42.00$ and marks the price up $25\%$. What is the selling price?
2. 16
   A backpack costs $\text{\$}55.00$. The sales tax is $7\%$. How much is the tax?

H.5Use I = Prt to answer each question.

1. 17
   You put $\text{\$}500.00$ in a savings account that earns $4\%$ simple interest each year. How much money will be in the account after $5$ years?
2. 18
   You put $\text{\$}250.00$ in a savings account that earns $3.5\%$ simple interest each year. How much money will be in the account after $2$ years?
3. 19
   You put $\text{\$}250.00$ in a savings account that earns $2\%$ simple interest each year. How much money will be in the account after $5$ years?

H.5Use I = Prt to answer each question. (continued)

1. 20
   You put $\text{\$}500.00$ in a savings account that earns $3\%$ simple interest each year. How much money will be in the account after $4$ years?

H.1Unit Prices: Which Is the Better Buy?

1. 1$42$ fl oz for $\text{\$}13.02$ ($\text{\$}0.31$ per fl oz)
2. 2$29$ lb for $\text{\$}11.89$ ($\text{\$}0.41$ per lb)
3. 3$28$ oz for $\text{\$}15.40$ ($\text{\$}0.55$ per oz)
4. 4$22$ oz for $\text{\$}11.44$ ($\text{\$}0.52$ per oz)

H.2H.3H.4Answer each question.

1. 5$\text{\$}4.50$
2. 6$\text{\$}8.10$
3. 7$\text{\$}21.30$
4. 8$\text{\$}36.40$
5. 9$\text{\$}246.00$
6. 10$\text{\$}254.00$
7. 11$\text{\$}157.00$
8. 12$\text{\$}101.00$
9. 13$\text{\$}93.15$
10. 14$\text{\$}5.75$
11. 15$\text{\$}52.50$
12. 16$\text{\$}3.85$

H.5Simple Interest

1. 17$\text{\$}600.00$
2. 18$\text{\$}267.50$

H.5Simple Interest (continued)

1. 19$\text{\$}275.00$
2. 20$\text{\$}560.00$