Open Up - Grade 7 - Mathematics - Unit 4 - Lesson 8

A pair of designer sneakers was purchased for $120. Since they were purchased, their price has increased by 15%. What is the new price?

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7.RP.3

Elena’s aunt bought her a $150 savings bond when she was born. When Elena is 20 years old, the bond will have earned 105% in interest. How much will the bond be worth when Elena is 20 years old?

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7.RP.3

In a video game, Clare scored 50% more points than Tyler. If c is the number of points that Clare scored and t is the number of points that Tyler scored.Then which equations are correct? Select all that apply.

• c = 1.5t
• c = t + 0.5
• c = t + 0.5t
• c = t + 50
• c = (1 + 0.5)t

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7.RP.3

Which decimal is the best estimate of the fraction \frac{29}{40}

• 0.5
• 0.6
• 0.7
• 0.8

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7.RP.3

Could 7.2 inches and 28 inches be the diameter and circumference of the same circle?

• Yes, the measurements work.
• No, the measurements do not work.

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7.RP.3