3 years ago

Mary lost 30 lbs. Before her diet she weighed 180 pounds. What is the percent of change?

Mathematics

2 answers:

Anestetic [448]3 years ago

7 0

Answer:

The percent change is 16.67

Step-by-step explanation:

liq [111]3 years ago

7 0

Answer:

16.7%

Step-by-step explanation:

Her weight decreased by 30 lb.

Expressed as a fraction: (-30 lb)/(180 lb) = (-1/6)

As a percentage, her weight loss came to (-1/6)(100%) = 16.7%

You might be interested in

What is the equation of a line that contains the point (4, 0) and is parallel to x + y = 2?

gogolik [260]

Answer:

x + y = 4 or y = -x + 4

Step-by-step explanation:

0 = -1[4] + b

4 = b

y = -x + 4

If you want it in Standard Form:

y = -x + 4

+x +x

_________

x + y = 4 >> Line in Standard Form

* Since the rate of change [slope] is -1 and that parallel lines have SIMILAR SLOPES, -1 remains the same.

I am joyous to assist you anytime.

6 0

3 years ago

In 7 hours, Tony reads 42 chapters of a book, What is his rate in chapters per hour?

Sophie [7]

Answer:

6 chapters/hour

Step-by-step explanation:

42/7=6

8 0

3 years ago

Read 2 more answers

. Find the area of a square with a side of 2v3.

Vlad1618 [11]

Answer:

$area = 2 \sqrt{3} \times 2 \sqrt{3} \\ = 4( { \sqrt{3} })^{2} \\ = 4 \times 3 \\ = 12 \: {units}^{2}$

6 0

2 years ago

Question 6 Distance = 90 km, Time = 1 hour 30 minutes, speed = ? km/h = Question 10 please help

olga_2 [115]

Answer:

60km/h

Step-by-step explanation:

90 ÷ 1.5

= 60

60 km/h

5 0

2 years ago

you are mirroring the distance to your friends house you find that it is 5976 m how many kilometers is that

Effectus [21]

The distance is 5.976 kilometers

7 0

3 years ago

Read 2 more answers

Mary lost 30 lbs. Before her diet she weighed 180 pounds. What is the percent of change?​

Mary lost 30 lbs. Before her diet she weighed 180 pounds. What is the percent of change?