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
ANTONII [103]
2 years ago
7

a total of 600 books were labelled A,B,C and D.Given that 1/4 of the book is labelled A and 3/10 of the book is labelled B.There

are 15 books labelled C.Calculate the number of books labelled D.​
Mathematics
1 answer:
Marizza181 [45]2 years ago
5 0

Answer:

255 is the answer........

You might be interested in
Idk how to do this 4x+y=1
ivolga24 [154]
4x+y=1
4x+y-1=1-1
4x+y-1=0
6 0
3 years ago
What is the value of x in the equation (2x + 1)1/3 + 3 = 6
OleMash [197]

Answer:

x = 4

Step-by-step explanation:

8 0
2 years ago
Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =
BabaBlast [244]
25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====
6 0
3 years ago
2 feet to 2 yards ratio
vredina [299]

Answer:

\frac{1}{3}

Step-by-step explanation:

Three feet make a yard, so 2 yards is 6 feet

\frac{2}{6}  If we divide the top (numerator) and the bottom (denominator) by 2 we get

\frac{2}{6} ÷ \frac{2}{2} = \frac{1}{3}

8 0
11 months ago
I need help can you plz help me
horrorfan [7]

Simplify

10/3

Convert to a mixed fraction

3 1/3

4 0
3 years ago
Other questions:
  • If I add 723 pieces and 192 was bad what is the average
    11·2 answers
  • Which of the equations below could be the equation of this parabola?
    8·1 answer
  • (x-3)^2+ (y-5)^2 = 144 <br> is it (3,5) or (-3,-5)
    13·2 answers
  • Can anyone help with this probelm???
    15·1 answer
  • Please help asap 50 pts
    6·2 answers
  • Why are you allowed to move the decimal points before dividing with decimals?
    11·1 answer
  • Mark and Julio are selling flower bulbs for a school fundraiser. Customers can buy bags of windflower bulbs and packages of croc
    9·1 answer
  • Charlie bought 2 3/4 pounds of pears for $.76 per pound and 2 3/4 pounds of grapes for $1.40 per pound how much money in dollars
    8·2 answers
  • X -3,4,11,18 y -3,1,5,9
    15·1 answer
  • Which of the following is a solution for 5 - 2xs-3?<br> -4<br> 4<br> 1<br> -1
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!