Math

Can someone plz help me?
1. Your restaurant bill is $72.34. You want to leave about a 20% tip. Which is the best estimate of a 20% tip?

A.$14.00
B.$14.40
C.$14.60
D.$14.70

2. Last year, Ken bought a mountain bike for $460. His bike has depreciated since he bought it. It is now worth $320. What percent did the value of Ken’s bike depreciate over the past year, to the nearest whole percent?

A.30%
B.44%
C.70%
D.140%

3. At Outdoor Adventures Clothing Company, all items are marked up to maximize profit. Life preservers cost $23 to buy from the manufacturer. They sell for $35. What is the percent increase in life preservers, to the nearest whole percent?

A.12%
B.34%
C.52%
D.66%

4. A sporting goods store displays the following sale sign. What is the constant of proportionality?

Regular Price (dollars) Sale Price (dollars)
25 18.75
150 112.50
225 168.75

A.0.25
B.0.33
C.0.75
D.1.75

5. Jan is enlarging the sketch shown on a photocopier. Which could be the dimensions of her enlargement?

The figure shows a rectangle. The horizontal length of the rectangle is labeled as 3 inches and the vertical length of the rectangle is labeled as 2 inches.

A.4 inches × 5 inches
B.5 inches × 6 inches
C.7 inches × 10.5 inches
D.8 inches × 9 inches

6. An anatomy model of an adult human is 7 inches tall. Most adult humans are between 5 feet and 6 feet tall. What is the approximate scale factor of the model?

A.1/20
B.1/10
C.10
D.20

7. Which scale would produce the largest scale drawing of an object when compared to the actual object?

A.1 inch: 5 feet
B.1 inch: 30 inches
C.1 foot: 12 yards
D.1 centimeter: 1 meter

8.Written response

9. A blueprint of a bedroom has a scale of 1/4 inch is equivalent to 1 foot. If the closet measures 1/2 inch by 3/4 inch on the blueprint, what are the actual dimensions of the closet? The bedroom closet will measure......
feet by ....... feet.

10. written response

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  3. 👁 1,297
  1. The Regular Price is (dollars)25,150,225. The Sale Price is (dollars)18.75,112.50.168.75

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  2. How can we check your work for this assignment if you don't provide us with your choices for answers?
    #8 and #10 make no sense

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    👨‍🏫
    Reiny
  3. I'd love to help with the first one.

    1. Your restaurant bill is $72.34. You want to leave about a 20% tip. Which is the best estimate of a 20% tip?

    Do you know how to figure out what the 20% tip would be? If not, I'd suggest searching "Percent of a Whole Number Khan Academy" and watching the video by Kahn Academy. It'll really help, as will most of their other videos!

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  4. Thank you!!!! Can you help me with the others?

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  5. Sorry can't help u noob

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  6. anon, your being rude

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  7. anon ur the noob if u can't help XD

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  8. Not to he rude we cant check if u dont have any answers and yes i know im way late

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  9. HELP ME PLEASE

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  10. 1 B
    2 A
    3 C
    4 C
    5 C
    6 B
    7 B
    8 answer yourself
    9 2ft by 3ft
    10 it means that the object looked at will appear to be 250 times bigger. 3 mm 2.36 centi

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  11. Your welcome

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  12. You Dont Know Me is right I got 100% :)

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  13. ty

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  14. what is 8

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  15. For #8

    The scale means that 1 inch is equal too 80 miles.

    So therefore 80 x 5 is 400.

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