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Elodia [21]
3 years ago
9

Lena and Jade had a total of $36. Lena had twice as much as Jade. After each of them bought a movie ticket. Lena had 3 times as

much money as Jade. How much money did Lena have in the beginning? How much was a movie ticket?
Mathematics
1 answer:
marusya05 [52]3 years ago
4 0
Lena had $24 at the beginning
the movie ticket was $6
it's just basic algebra
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Leigh and Sara paid $1,178 last month to rent their apartment. Last month had 31 days. They divide to find out how much they pai
lyudmila [28]

Answer:

1,178 divided by 31 is equal to 38. $38 paid each day.

(Please give me branilest)

6 0
3 years ago
An airplane flew with the wind for 2.5 hours and returned the same distance against the wind in 3.5 hours. If the cruising speed
KengaRu [80]

Answer:

60 miles per hour.

Step-by-step explanation:

Let r represent speed of wind blowing in miles per hour.          

We have been given that the cruising speed of the plane was a constant 360 mph in air. The speed of the plane is the direction of wind would be 360+r.

The speed of the plane is the opposite direction of wind would be 360-r.

\text{Distance}=\text{Speed}\times \text{Time}

Distance covered in the direction of wind would be 2.5(360+r).

Distance covered in the opposite direction of wind would be 3.5(360-r).

Since both distances are same, so we will get:

2.5(360+r)=3.5(360-r)

900+2.5r=1260-3.5r

900-900+2.5r+3.5r=1260-900-3.5r+3.5r

6r=360

\frac{6r}{6}=\frac{360}{6}

r=60

Therefore, the wind is blowing at a rate of 60 miles per hour.

6 0
3 years ago
Franco made a dozen muffins for his party upon taking them out of the oven he noticed 2 of the muffins were badly burned franco
e-lub [12.9K]

Answer:

10/10 - 7/10 = 3/10

Step-by-step explanation:

Given:

Number of muffin made = 12

Number of muffin burned = 2

Number of muffin serve = 7 / 10

Find:

Equation for number of muffin remain

Computation:

Number of muffin remain = 12 / 2

Number of muffin remain = 10

Equation for number of muffin remain = Number of muffin remain  - Number of muffin serve

10/10 - 7/10 = 3/10

8 0
3 years ago
10) Suppose a high school guidance counselor wants to find out the proportion of students at his high school who have tried alco
olganol [36]

Answer:

A nonresponse might lead to a bias in the study due to the fact that the counselor may assume that those who did not reply to the email may have tried alcohol and they didn't want him(the counselor) to know.

Step-by-step explanation:

In statistical research, a bias is said to occur when systematic errors are introduced into sampling or testing by selecting or favoring one outcome over other outcomes.

Now, applying that definition to this question, we can say that a nonresponse might lead to a bias in the study due to the fact that the counselor may assume that those who did not reply to the email may have tried alcohol and they didn't want him(the counselor) to know.

6 0
3 years ago
Solve <br> 17/20 = X/100 <br> solve for x.
34kurt

Answer:

x=85

Step-by-step explanation: You need to cross multiply

4 0
3 years ago
Read 2 more answers
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