1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
attashe74 [19]
3 years ago
6

A elevator has a capacity of twenty adults or twenty four childern. How many childern can ride with fifteen adults?

Mathematics
1 answer:
ipn [44]3 years ago
7 0
Let adults be x and children be y, then
20x = 24y
x = 6/5y

Let the number of children be a, then
15x + ay = 24y
15(6/5y) + ay = 24y
18y + ay = 24y
18 + a = 24
a = 24 - 18 = 6

Therefore, 6 children can ride with 15 adults.
You might be interested in
3x+1=-2x+7 Please solve for X
dlinn [17]

Answer:

x = 6/5 = 1 \frac{1}{5}

Step-by-step explanation:

3x + 1 = -2x + 7

+2x - 1 = + 2x - 1

5x = 6

x = 6/5 = 1 \frac{1}{5}

Hope this helps:)

7 0
4 years ago
799.45 original price and 15%sale what is the final price
den301095 [7]
Steps:
1. Do a proportion
X/799.45 times 15/100
2. Do 15 times 799.45 which equals 11,991.75
3. Divide 11,991.75 by 100
4. 119. 91 is the price being taken off
5. Do 799.45 minus 119.91
6. Your answer is
$679.54
8 0
3 years ago
Read 2 more answers
3. Find the horizontal change and the vertical change for the translation.
SashulF [63]
<span>P(4, -4) ----> (-4, 7)
x- axis from 4 to -4 ; move to the left 8 units.
y-axis from -4 to 7 ; move up 11 units

</span><span>D. left 8; up 11

</span><span>C(3, -1) translated to the left 4 units and up 1 unit.
from 3 of x-axis move to the left 4 units to arrive at  -1
from -1 of y-axis move up 1 unit is to arrive at 0.

(xy) </span>→ (x-4, y + 1) (-1,0) Choice D.
7 0
4 years ago
What is 10x-2(4x+5)+6
guapka [62]

Answer:

2x - 4

Step-by-step explanation:

Expand the brackets.

10x - 2(4x+5) + 6 = 10x - 8x - 10 + 6

Evaluate like terms.

10x - 8x - 10 + 6 = 2x - 4

8 0
3 years ago
Read 2 more answers
3/4*x = 1/5<br> X=<br> A. 3 3/4<br> B. 11/20<br> C. 4/15<br> D. 3/20
Pepsi [2]
X = 1/5 ÷ 3/4
x = 1/5 × 4/3
x = 4/15

the answer is C
7 0
3 years ago
Read 2 more answers
Other questions:
  • Name three things that can be easily identified by the equation of a parabola in vertex form
    15·1 answer
  • How to find root 14 without calculator​
    13·1 answer
  • On a family trip, natalie counted 3 groups of 5 motocycles and additonal 7 solo motocycles. write an expression for the number o
    5·2 answers
  • You ran 1 mile on Monday, walked 3.5 miles on Wednesday, and ran 2.25 miles on Friday. How many total feet did you run?
    8·1 answer
  • Equation for line y-intercept -5 and slope 2
    8·1 answer
  • The height of dachshuds is usually 1/3 their length. If Molly is 20 inches long how tall is she?
    13·1 answer
  • ou use a juice mix to make orange juice. You combine 1212 ounces of the mix with 3636 ounces of water. Which is a unit rate that
    11·1 answer
  • 2x+3=5+3x is infinite many solutions one solution or no solutions
    14·1 answer
  • 1. You purchase a bag of chips that cost $4. The sales tax is 6.5% what will be the total cost.
    5·2 answers
  • Kevin opens a savings account with $350. He saves $125 each month. 
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!