7.ee.2 practice

Raoul charges x dollars to mow one lawn. If he increases his rate 12%, which expressions below represent his new rate, in dollars? Select all that apply.

• 0.12x

• 0.88x

• 1.12x

• 1 + 0.12x

• x + 0.12x

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7.ee.2

Donny charges x dollars to do landscaping on one yard.

If he increases his rate 14%, which expression below represents the new rate, in dollars? Select all that apply.

• x + 0.14x

• 1 + 0.14x

• 0.14x

• 0.86x

• 1.14x

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7.ee.2

Janet receives an 8% pay increase. What is her new pay?​ ​ ​ ​ (a)  

• x(1 + 0.08)
• x - 0.08x
• 1 + 0.08
• 1 - 0.08x

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7.ee.2

Kyle's electricity usage has decreased by 8%. What is his current electricity usage?​ (a)  

• 1 + 0.08
• x - 0.08x
• x(1 + 0.08)
• 1 - 0.08x

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7.ee.2

Sarah is buying a necklace which is listed online as costing p dollars. When she goes to check out, she discovers the necklace is on sale for 15% off the listed price.

Which expression below will help Sarah calculate the cost of the necklace with the discount?

• 1.85p

• 1.15p

• 0.85p

• 0.15p

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7.ee.2

When Rowen was first hired at his job, he was paid w dollars per hour. Since then, his hourly wage has increased by 25%

Which of the following expressions represents his current hourly wage?

Select all the expressions that correctly represent his current hourly wage.

• 1.25w dollars

• 125w dollars

• w + 0.25 dollars

• 1 + 25w dollars

• w + 0.25w dollars

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7.ee.2

John has a coupon for a local hardware store that offers a 15% discount on his next hardware purchase.

If h represents the original amount of John's next hardware purchase, which of the following expressions can be used to calculate the new amount after the discount? Select all that apply.

• 1 - 0.15h

• h - 0.15h

• 1.15h

• 0.15h

• 0.85h

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7.ee.2

Anita is shopping at a local clothing store when she sees a sale that offers a 30% discount on all shirts.

Let s represent the original cost of each shirt. Which of the following expressions can be used to calculate the new cost of each shirt after the discount? Select all that apply.

• 0.70s

• 0.30s

• 1.30s

• s - 0.30s

• 1 - 0.30s

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7.ee.2

Which expression shows that y is increased by 42%?

• y + 0.42

• 1 + 0.42y

• 0.42y

• 1.42y

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7.ee.2

A car dealership marks up the cars it receives from the manufacturer by 15%.

Which expressions can be used to determine the price the dealership charges when the manufacturer charges d dollars? Select all that apply.

• 0.15d

• 1.00d + 0.15d

• 0.15d + 1.00

• 1.15d

• 1.00d + 0.15

Tags

7.ee.2