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
Naya [18.7K]
2 years ago
13

2. The ratio of boys to girls in a classroom is 2 to 3. If there are 18 boys in the classroom, how many

Mathematics
2 answers:
andre [41]2 years ago
8 0

Answer:

27 girls

Step-by-step explanation:

boys 2 : 3 girls

18: x

18×3= 54:2x

54÷2= 27

wariber [46]2 years ago
3 0

Answer:

27  girls

Step-by-step explanation:

boys  2/5  = 0.4  (40%) = 18

girls  3/5 = 0.6  (60%)= x

   40%----------18

   60%-----------x

Cross multiplication

      40x = 60x18

40x = 1080

x=27

You might be interested in
Solve each equation <br>2x + 2+x= -22​
vodomira [7]

Answer:

-8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x+2+x=−22

(2x+x)+(2)=−22(Combine Like Terms)

3x+2=−22

3x+2=−22

Step 2: Subtract 2 from both sides.

3x+2−2=−22−2

3x=−24

Step 3: Divide both sides by 3.

3x

3

=

−24

3

x=−8

3 0
3 years ago
Read 2 more answers
Hurry Timed!!! PLEASE ANSWER
Marizza181 [45]

Answer:

480

Step-by-step explanation:

time all of them

4 0
3 years ago
a toaster oven costing $130 offers an extended warranty for 25% of the purchase price if the local repair shop will fix a toaste
myrzilka [38]
Price covered by warranty:
130 x 0.25 = $32.5
Price per repair = $8
Number of repairs available:
32.5 / 8
= 4.0625
Thus, the toaster must break 4 times for the warranty to pay for itself.
5 0
3 years ago
Read 2 more answers
I have a number between 60 and 80. I have a remainder of 3 when divided by 4. I have a remainder of 1 when divided by 7. What nu
Murljashka [212]

Answer:

71

Step-by-step explanation:

Divide 71 by 7 and you get 10 and 1 leftover. Divide 71 by 4 and you get 17 with 3 leftover.

6 0
3 years ago
José was paid an 8 percent commission on the used car that he sold. The used car lot had bought the car from a seller for $8,500
marshall27 [118]
Jose made $816 selling the car.
6 0
3 years ago
Read 2 more answers
Other questions:
  • The sine function is an odd function
    6·2 answers
  • What s the compensation strategy for 4153+2988
    15·1 answer
  • If Matrix A has dimensions 1x4 and Matrix B has dimensions 3x4, can these be multiplied?
    12·2 answers
  • True or False?<br> k = 3 over 5 is a solution to the inequality 15k + 3 &lt; 15.
    8·2 answers
  • Hello I need help on this math question can you please help me with this and thank you so very much.:)
    10·1 answer
  • Kyra has a manufacturer's coupon for $5 off a box of diapers and a store coupon for 20% off any purchase. The store will let you
    11·1 answer
  • If a-b=10 and a+b=31 what is the value of 3a-2b
    5·1 answer
  • Please help me with this.
    14·2 answers
  • Sj2dg3h3fvehdvddddddddddddd-=
    11·1 answer
  • In the given figure AB||CD, then find the measurements of the angles 1 and 2.​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!