7.RP.A.3 Math Practice Questions — Sports Academy Games

Practice playeasy

A $\text{\char36}200$ hoodie is on sale for $25\%$ off. What is the sale price?

Discount: $\dfrac{25}{100} \times \text{\char36}200 = \text{\char36}50\textsf{.}$ Sale price: $\text{\char36}200 - \text{\char36}50 = \text{\char36}150\textsf{.}$

Practice playeasy

A $\text{\char36}60$ shirt is on sale for $15\%$ off. What is the sale price?

Discount: $0.15 \times \text{\char36}60 = \text{\char36}9.0$ . Sale: $\text{\char36}60 - \text{\char36}9.0 = \text{\char36}51.0$ .

Practice playeasy

A customer buys a desk for $\text{\char36}250$ and pays $7\%$ sales tax on the purchase. How much is the sales tax, in dollars?

Tax $= 0.07 \times 250 = 17.50$ dollars.

Practice playeasy

Sales tax is $5\%\textsf{.}$ What is the tax on an $\text{\char36}80$ jacket?

Tax: $\dfrac{5}{100} \times \text{\char36}80 = \text{\char36}4\textsf{.}$

Practice playeasy

What is an $18\%$ tip on a $\text{\char36}100$ restaurant bill?

Tip: $\dfrac{18}{100} \times \text{\char36}100 = \text{\char36}18\textsf{.}$

Practice playeasy

Find the simple interest on $\text{\char36}500$ at $10\%$ per year for $1$ year.

$I = 500 \times 0.10 \times 1 = \$50$ .

Practice playeasy

An online store tracked orders by size. How many orders were completed?
$\begin{array}{l|c|c} \text{Size} & \text{Orders placed} & \text{Percent completed} \\ \hline \text{Small} & 40 & 90\% \\ \text{Medium} & 50 & 80\% \\ \text{Large} & 30 & 70\% \end{array}$

Small: $40 \cdot 0.90 = 36\textsf{.}$ Medium: $50 \cdot 0.80 = 40\textsf{.}$ Large: $30 \cdot 0.70 = 21\textsf{.}$ Total completed: $36+40+21=97$ orders.

Practice playeasy

A $\text{\char36}200$ sweater is on sale for $15\%$ off. What is the sale price?

Discount: $\dfrac{15}{100} \times \text{\char36}200 = \text{\char36}30\textsf{.}$ Sale price: $\text{\char36}200 - \text{\char36}30 = \text{\char36}170\textsf{.}$