1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
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
poizon
[28]
3 years ago
9
In a class of 42 students, the number of boys is 2/5 of the girls. How many boys and girls are there?
Mathematics
Answer
Comment
Send
1
answer:
Nesterboy
[21]
3 years ago
5
0
B + g = 42
b = 2/5g
2/5g + g = 42
2/5g + 5/5g = 42
7/5g = 42
g = 42 / (7/5)
g = 42 * 5/7
g = 210/7
g = 30 <== there are 30 girls
b = 2/5g
b = 2/5(30)
b = 60/5
b = 12 <=== there are 12 boys
Send
You might be interested in
Part E
Delicious77 [7]
Answer:
this is the answer
Step-by-step explanation:
8
0
2 years ago
a particle starts from rest at X=8 and proceeds with a simple harmonic motion so that after 2 seconds it reaches x=4 find an exp
Rashid [163]
Pretty sure. Excuse my nonexistent communication Billie. Update: now with arrows
7
0
3 years ago
I NEED HELP ASAP IT'S DUE IN 40 MINUTES!!! I'LL GIVE BRAINLIEST!!!
Triss [41]
Answer:
Transversal
Step-by-step explanation:
8
0
2 years ago
If f(x) = 2x2 − 10, find f(5).<br><br> 90<br><br> 10<br><br> 7.5<br><br> 40
MatroZZZ [7]
F(x)= 2x² -10
f(5)= 2(5)²-10
f(5)= 40
5
0
3 years ago
Read 2 more answers
Akash draws a 4 from ten cards numbered 1 through 10. He replaces the card. Then Ramesh draws a 7. What is the probability of ge
Anna [14]
Answer:
1/100
Step-by-step explanation:
P(4 then 7) = 1/10 x 1/10
4
0
3 years ago
Other questions:
suppose two different fractions with the same denominators are both less than 1 Can their sum equal 1? can their sum be greater
10
·
2 answers
PLEASE PLEASE PLEASE PLEASE HELP WITH MATH. ILL GIVE POINTS, BRAINY, AND FRIEND.
9
·
2 answers
(05.01)The new club sticker is in the shape of a triangle. It has a height of 16 inches and a base of 14 inches. The area of the
14
·
1 answer
A state park charges an entrance fee based on the number of people in a vehicle. A car containing 2 people is charged $14, a car
12
·
1 answer
Use the interactive graph to plot each set of points which set represents proportional relationships check all that apply
10
·
2 answers
Y=12/1-n solve for n
15
·
1 answer
Find the lengths of the 2 Missing sides of each triangle
8
·
1 answer
Write and then evaluate the expression. Then, check all that apply.
7
·
2 answers
There are c amount in a box . 11 of the counters are green. Benedict take 20 counters at random from the box. 4 of these counter
7
·
1 answer
Simplify-7(3x) + 2(3x - 2)<br><br>I'll give brainliest
12
·
2 answers
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!