MATHEMATICS MIDDLE SCHOOL

Katie has read 32 percent of a book. If she has read 80 pages, how many more pages does Katie have left to read?A 40
B 170
C 200
D 250

Answers

Answer 1
Answer: You need to divide 80 by 0.32 (this is your percent) to find the total amount of pages, which is 250. now subtract 80 from 250 to find the remaining pages, which is 170. The answer is B.
 
Answer 2
Answer: You dive 80 by 32 and 32 which means that ever 2.5 pages is 1 percent of the book so you multiple by 100 and get 250 pages

Related Questions

These are questions 8-10 that I need to find the answer to
on your birthday, you deposit $540.00 in an account that pays 6% interest, compounded annually. How much is in the account 3 years later?
8 less than twice a number is 10. What is the number?
Is 1.29 more than 1.202
Blank hundreds =80 tens

What is the value of the expression [(29+18)+(17-8)]÷8

Answers

Answer:

Step-by-step explanation:

First, do what is inside the parentheses (PEMDAS)

29+18= 47

Now do the other parentheses

17-8=9

now add them together cuz they r inside a bigger parentheses

9+47=56

now divide by 8

56/8=7

How do you do this question? 24 is what percent of 32?

Answers

24 = x% * 32

24= x/100 * 32

Multiply 100 on both sides.

2400 = x * 32

32x = 2400

Divide 32 on both sides.

x = 2400/32

x = 75


75 percent of 32 is 24
75% 
 You do 24/32=x/100 and solve for x to find  percentage of something. 24/32=.75 then multiply .75 by 100 and you get the answer 75%.

If the general rule of the pattern is 33-3n find 8th term (N=8)

Answers

Answer: 9


Step-by-step explanation:

Given general rule= 33-3n of the pattern, where n is any natural number.

To find 8th term of the pattern, we substitute n=8 in the given general rule, we get

33-3(8)   [Substitute n=8 in general rule ]

=33-3×8  [open parenthesis]

=33-24    [3×8=24]

=9  

Therefore, we have 8th term = 9 of the pattern given by general rule= 33-3n.
it is 33- 24 which is 9 ...

if 45,000 people liked something and 1,000 people didn't. What is the percentage of the people who liked it?

Answers

The answer is approximately 98% but the exact answer is 97.826086956%

The legs of an isosceles right triangle are 5 inches long. What is the length of the hypotenuse of the triangle to the nearest inch?

Answers

The legs are 5 inches long.

Use the Pythagorean theorem:
5^2+5^2=c^2 \n25+25=c^2 \n50=c^2 \nc=√(50) \nc=√(25 * 2) \nc=5 √(2) \nc \approx 7

The length of the hypotenuse of the triangle is approximately 7 inches long.
a^(2) + b^(2) = c^(2) \n 5^(2) + 5^(2) = c^(2) \n 25 + 25 = c^(2) \n 50= c^(2) \n √(50)= c \n c=7.07
c≈ 7

The hypotenuse is about 7 inches long.

1/3x+y=4
explain your answer Please!

Answers

Answer:

y=-(1)/(3) x+ 4

Step-by-step explanation:

You just have to subtract 1/3x on both sides of the equation to cancel the 1/3x on the left.
Combine 1/3 and x

Subtract y from both sides x/3 =4-y

Multiple both sides by 3 3• x/3 =3•(4-y)

Simplify both sides
X=12-3y

Reorder
X=-3y+12
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a boy is 24 years younger than his father. In 2 years time the sun of their ages will be 40. Find the present ages of father and son
the kinetic energy of a moving object can be calculated from the expression 1/2mv[2], where m is the mass of the object in kilograms and v is its speed in meters per second. find the kinetic energy of a 145-kg baseball that is thrown at a speed of 40 meters per second
The answer to -6-2m=10