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
Y_Kistochka [10]
3 years ago
7

there are 28 students in a classroom. the ratio girls to boys 4 to 3. write and solve a proportion to find how many boys are the

re in the classroom? include labels!!!!​
Mathematics
1 answer:
Sedaia [141]3 years ago
3 0
Total = 28

Girls. Boys.
4. 3

28/4= 7
7 x 3 = 21

ANSWER = 21
You might be interested in
What is (2/9)^2 simplified? as a fraction<br><br> 4/81<br> 4/18<br> 4/11<br> 2/9
emmasim [6.3K]
It would be: (2/9)² = 4/81

In short, Your Answer would be Option A

Hope this helps!
6 0
3 years ago
A bag contains 40 coins, all of them are either 2 cent or 5 cent coins. If the value of the money in the bag is $1.55, find the
dlinn [17]

Answer: Explanation:First, let's call the number of 2 cent coins: tNext, let's call the number of 5 cent coins: fWe can then write to equations from the information in the problem.Equation 1: t+f=40Equation 2: 0.02t+0.05f=1.55Step 1) Solve the first equation for t:t+f=40t+f−f=40−ft+0=40−ft=40−fStep 2) Substitute (40−f) for t in the second equation and solve for f:0.02t+0.05f=1.55 becomes:0.02(40−f)+0.05f=1.55(0.02×40)−(0.02×f)+0.05f=1.550.80−0.02f+0.05f=1.550.80+(−0.02+0.05)f=1.550.80+0.03f=1.550.80−0.80+0.03f=1.55−0.800+0.03f=0.750.03f=0.750.03f0.03=0.750.030.03f0.03=25f=25Step 3) Substitute 25 for f in the solution to the first equation at the end of Step 1 and calculate t:t=40−f becomes:t=40−25t=15The Solution Is:There are:15 two cent coins25 five cent coins

Step-by-step explanation:

5 0
2 years ago
Kevin has 2/5 of a pound of candy. 3/10 of the candy is chocolate. How many pounds of chocolate does he have?
ehidna [41]
3 is the answer for it
8 0
3 years ago
The office in the living room in a tiny house shower wall the area of the office is 28 ft the area of the living room is 63 ft t
Delicious77 [7]

UHHH I DONT KNOW BUT I THINK ITS HMMMMM MAYBE 56??

4 0
2 years ago
Read 2 more answers
Which two recipes have equivalent ratios of cups of flour needed to the number of cookies?
Bogdan [553]

Answer:

poop

Step-by-step explanation:

7 0
2 years ago
Other questions:
  • the graph depicts Jacque's monthly supply of tuna. Suppose the price of tuna rises from $8 per round to $14 per round use the ar
    15·1 answer
  • What type of sequence is this? arithmetic, geometric, neither, or both?
    13·1 answer
  • The price Renu pays to visit the vet's clinic is calculated according to the formula 30 + 60n. Here n is the number of times she
    11·1 answer
  • How many millimeters are in 20 meters ​
    14·2 answers
  • How do i do this question​
    7·1 answer
  • I need help with this question
    13·1 answer
  • A student noticed that the average diameter of the glass beads used for the mass measurements was significantly smaller than tho
    9·1 answer
  • The temperature of the ocean water dropped 4 degrees
    5·1 answer
  • Help please<br> What is the 33rd term of this arithmetic sequence?<br><br> 12, 7, 2, -3, -8
    11·1 answer
  • Jordan needs 5 pounds of chips for a party. The bags he is buying are 24 oz each. According to the number line, how many bags wi
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!