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
nydimaria [60]
3 years ago
9

If 80% is 72 marks, what is full marks

Mathematics
2 answers:
enot [183]3 years ago
4 0

I am pretty sure that it is one hundred. bye thanks for me being able to help! 
DochEvi [55]3 years ago
4 0
72 80
—— = ——
x 100

Cross multiply and solve

7200 = 80x

Divide each side by 80

7200 = 80x
——— ——
80 80

And voila x is the answer for full marks

90 = x
You might be interested in
How many one and one-halves are in six?
sergeinik [125]
1 and 1/2 is the same as 1.5 and 1.5 * 4 is 6 so I would say 4
6 0
4 years ago
Oliver lives in a state with no state income tax. He pays $150 in payroll tax each week. If the federal income tax is 0.75 of th
shepuryov [24]
The other taxes amount to $37.5.
6 0
4 years ago
Someone please helppppp!
zloy xaker [14]

Answer:

AB=24.5

Step-by-step explanation:

5x+7=7x

7=2x

x=3.5

7(3.5)=24.5

6 0
3 years ago
Please answer only question 20.
ioda
4x+8(x+1)+y+2x = 14x+11
4x+8x+8+y+2x = 14x+11
14x+8+y = 14x+11
-14x-8        -14x-8
y = 3

So, 4x+8(x+1)+3+2x
6 0
3 years ago
Plz help question below
zaharov [31]
You just keep subtracting 3 yo the previous number, so day one would be $82 and day three would be $79...etc. Day five would be $70 so sweet
4 0
4 years ago
Other questions:
  • Tamika makes a 5.5% commission selling electronics. How much commission does she make if she sells a flat-screen TV for $10,000?
    14·2 answers
  • A three-dimensional object has a depth of 8 inches and a triangular base that has an area of 12 square inches, so it has a volum
    11·2 answers
  • A principal of $450 is deposited in an account that pays 2.5% interest compounded yearly. Find the account balance after 3 years
    14·2 answers
  • Find the value of x. 600x = 360000
    13·2 answers
  • This graph has turning point(s).
    6·2 answers
  • How do you simplify (w5)2
    5·1 answer
  • Write an equation of the line in slope-intercept form (0,-1) (3,5)
    14·1 answer
  • Carlo is buying gas for his car. The gas costs $2.75 per gallon, and Carlo buys 9.8 gallons. How much did Carlo spend on gas?
    10·1 answer
  • At the start of the year a summer holiday to Spain cost £650. It increased by 11% in
    13·1 answer
  • Given cosine of x is equal to negative square root of 3 over 2 comma what is the value of cos(x π)?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!