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
mrs_skeptik [129]
3 years ago
15

John has 30 marbles , 18 of which are red and 12 of which are blue. Jane has 20 marbles, all of them either red or blue. If the

ratio of the red marbles to the blue marbles is the same for both John and Jane, then John has how many more blue marbles than Jane?
Mathematics
1 answer:
morpeh [17]3 years ago
4 0
12/30 = percentage of blue marbles = 40%
40% of 20 =8
12-8 =4
John has 4 more blue marbles
You might be interested in
If y varies directly with X and y =10 and X=4 write the direct linear variation equation .
rosijanka [135]
Y= kx   (k being a constant)
10= k × 4     k=5/2

y= 5x/2    The answer is C.
7 0
3 years ago
An investor puts $2,500 into a life insurance policy that pays 10% simple annual interest. If no additional investment is made i
Novosadov [1.4K]

Answer:

$3750

Step-by-step explanation:

Amount = principal + interest

Simple interest = Principal *Rate * time/100

Simple interest = 2500*10*5/100

Simple interest  = 25*50

Simple interest = $1250

Amount = $2500+$1250

Amount after 5 years is $3750

4 0
3 years ago
What is the unit money rate per year?
Juliette [100K]

Answer:

Step-by-step explanation:

.012

7 0
4 years ago
List the factors of each number 5
tigry1 [53]

The answer to your question is 5 and 1.


Have a nice day :)

7 0
3 years ago
Read 2 more answers
How to estimate 5x179
QveST [7]

Answer:

895

Step-by-step explanation:

if u need to estimate, multiple 5 by 180, and then subtract 5

6 0
3 years ago
Other questions:
  • If 1/√a-√b=1/3 and 1/√a+√b=1/2, then find the difference of a and b.​
    8·1 answer
  • This recipe makes 24 shortbread fingers. Rose follows this recipe, but only wants to make 4 fingers. How much of each ingredient
    5·2 answers
  • What is the quotient (6x4+15x3+10x2+10x+4) ÷ (3x2 + 2)?
    8·1 answer
  • What is the sum of one-sixth of x and 2.8?
    10·1 answer
  • Complete the number sentence to solve. Three students share 5 feet of ribbon equally. How many feet of ribbon does each student
    11·1 answer
  • What 2 numbers multiply to equal 20 and add to make -9?
    8·2 answers
  • Lines l and m are parallel. Which angle is a corresponding angle with ∠5? ∠7 ∠6 ∠8
    13·1 answer
  • Plz help<br> plz help me
    7·1 answer
  • Use the table to find the slope of the line *
    11·1 answer
  • A charity is holding a benefit at an Italian restaurant. The owner of the restaurant offers to donate $200 in addition to $4 for
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!