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
Elena-2011 [213]
3 years ago
11

The ratio of boys to girls in a group is 3:1. If there are 28 more boys than girls, work out how many people there are in total.

Mathematics
1 answer:
Ber [7]3 years ago
7 0
---------------------------------------------------
Ratio 
---------------------------------------------------
Boys : Girls : Total
  3     :   1         4

---------------------------------------------------
Difference in shares :
---------------------------------------------------
Difference in shares = 3 - 1 = 2

---------------------------------------------------
Find 1 share :
---------------------------------------------------
2 shares = 28
1 share = 28 ÷ 2 = 14

---------------------------------------------------
Find 4 shares (Total) :
---------------------------------------------------
1 share  = 14
4 shares = 14 x 4 = 56

---------------------------------------------------
Answer: There are 56 people in total.
---------------------------------------------------

You might be interested in
4 3/10 divided by 3/5
inysia [295]

Answer:

7.16

Step-by-step explanation:

5 0
3 years ago
Doctor Pi is having a birthday party for the first baby rhino. The cake serves 50 people and cost $120. How much does the cake c
mars1129 [50]

It costs each person $2.40.

3 0
3 years ago
Read 2 more answers
An isosceles triangle △ABC with the base BC is inscribed in a circle. Find the measures of angles of the triangle, if measure of
____ [38]

Answer:

  • angle at A: 51°
  • base angles: 64.5°

Step-by-step explanation:

The measure of the inscribed angle BAC is half the measure of the intercepted arc BC, so is 102°/2 = 51°.

The base angles  at B and C are the complement of half this value, or ...

  90° -(51°/2) = 64.5°

The angle measures in the triangle are ...

  ∠A = 51°

  ∠B = ∠C = 64.5°

6 0
3 years ago
(12,10),(-2,r), m=-4​
Savatey [412]

Answer:66

Step-by-step explanation:

Y=mx+b

10=-4*12+b

10=-48+b

b=58

r=-4(-2)+58

r=66

4 0
3 years ago
Explain what is the slope, and what is the y-intercept.
cluponka [151]

Answer:

slope :

The steepness of a line expressed as a ratio, using any two points on the line.

y-intercept

The value of  y  at the point where a curve crosses the y-axis.

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • I bet no body can do it
    7·1 answer
  • The graph of g(x) = (1/2)^x is the graph of f(x) = 2^x reflected over the y-axis. Which graph represents g(x)?
    11·1 answer
  • The length of the rectangle below is (2x-3) and the width is (x+7). Find the area of the rectangle in terms of x.
    5·1 answer
  • (WILL MARK BRAINLEST!)
    11·1 answer
  • A label wraps around soup can with a radius of 4.3 cm and a height of 6 cm. What is the lateral surface area of the label of the
    13·2 answers
  • Which of the following illustrates the truth value of the given conditional statement?
    15·1 answer
  • Please help
    7·1 answer
  • PLS HELP DUE TODAY I GIVE BRAINLIEST
    12·1 answer
  • harry got 42 and 49 correct on his test what fraction of the marks did he get wrong give your answer in it simplest form ​
    11·1 answer
  • (Time expired.) The graph shows the system of equations below.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!