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lianna [129]
3 years ago
7

Ming and ivy each sell lemonade. Ming spends $15 on supplies and and all plans to charge $1.50 per cup. Ivy spends $20 on suppli

es and plans to charge $1 per cup. How many cups of lemonade will each of them have to sell to earn the same amount of money?
Mathematics
2 answers:
Rzqust [24]3 years ago
4 0

Answer:

They need to sell 30 cups of lemonade for them to earn the same amount of money.

Step-by-step explanation:

1. Write out the equation:

- 1.5x - 35= x - 20

2. Subtract x on both sides to isolate the variable on one side of the equation:

1.5x - x - 35 = x - x - 20

3. Solve for x:

0.5x - 35 =  -20

0.5x - 35 + 35 = -20 + 35

0.5x = 15

0.5x/0.5 = 15/0.5

x =30

Marrrta [24]3 years ago
3 0

Answer:

Step-by-step explanation:

1.5x - 15 dollars = x - 20    Add 15 to both sides.

1.5x - 15 + 15 = x - 20 + 15

1.5x = x - 5                          They will never coincide.

1.5x-x = - 5

0.5x = - 5                            Multiply by 2

x = - 10

I would check your question.

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enrollment in the ski/snowboard club increased by 30% this year. there are now 182 students in the club. how many students were
eduard
Enrolement increased by 30% that means last year=100%
incease of 30%=30+100=130% now

now=182

percent means parts out of 100 so
130%=130/100=13/10


182=13/10 of x (x represents the number last year)
of means multipy so
182=13/10 times x
multiply both sides by 10/13 to clear fraction
182 times 10/13=x=140



140 students last year
8 0
3 years ago
Find the y-intercept of the line on the graph.
balandron [24]
The y intercept is - 1

It is where the line touches or crosses the y axis
3 0
3 years ago
Gobe weighs 53.6 kg. he wears shoes which weigh 450 gm and carries a school bag weighing 4.5 kg. if he stands on the scales in h
Rudik [331]

Answer:

58.55Kg

Step-by-step explanation:

450 in Kg is 0.45.

0.45 + 4.5 = 4.95. 4.95 + 53.6 = 58.55.

8 0
2 years ago
There are 8 students on the minibus. Five of the students are boys what fraction of the students are boys?
IceJOKER [234]
The fraction of boys is 5/8.
6 0
3 years ago
Read 2 more answers
An airplane is flying from New York city to Los Angeles.The distance it travels in Miles, D, is related to the time in seconds,
deff fn [24]

We have been given an equation d=0.15t that represents the distance an airplane travels in Miles (d) is related to the time in seconds (t).

A. Upon substituting t=1 in our equation we will get,

d=0.15\times 1

d=0.15

We can see that our plane is travelling at rate of 0.15 miles per second.

\text{Speed of plane }=0.15\frac{\text{miles}}{\text{second}}

Therefore, plane is flying at the rate of 0.15 miles per second.

B. To find distance traveled by airplane in 30 seconds we will substitute t=30 in our given equation.

d=0.15\times 30

d=4.5  

Therefore, plane will travel 4.5 miles in 30 seconds.

C. To find time it will take to travel 12.75 miles we will substitute d=12.75 in our given equation.

d=0.15\times t

12.75=0.15\times t

t=\frac{12.75}{0.15}=85

Therefore, plane will take 85 seconds to travel 12.75 miles.

6 0
3 years ago
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