abigailhallmon096
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1) Gena’s new outfit originally cost $75. She received 20% off. How much did Gena’s outfit cost?

2) When Jon rides his bike for 40 minutes, he burns 200 calories. How many calories does he burn if he rides his bike for 2 hours?

3) Which can be represented using the product (50)x(-5)?
A. Saving $5 each day for 50 days.
B. A submarine rising by 50 feet each hour for 5 hours.
C. Earning $50 each month for 5 months.
D. An airplane losing altitude by 5 feet each second for 50 second.

Respuesta :

Answer:

1. $60

2. 600 Calories were burned

3. D

Step-by-step explanation:

1. $75 x .20=$15

75-15=$60

2. What I started with is 200/40=5 calories burned per min

60 plus 60=120

5x120=600

3. It's the only option that has something decreasing. and there is a -5 which means it's getting subtracted or its decreasing.  
1.60
2.600 calories were burned
3.D

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