3 years ago

If 90 is 80% of a value, what is that value?

Mathematics

2 answers:

Anna71 [15]3 years ago

7 0

So 90 is 4/5 of a number.

4/5n=90

4n=450

n=450/4

n=112.5

Anon25 [30]3 years ago

5 0

90 is 4/5, so 1/5 is 22.5
90+22.5= 112.5
The value is 112.5 :)

You might be interested in

Mr. Peters is planning to buy a new house. His friends suggest that he find out the actual dimensions of the property. What shou

slamgirl [31]

I would say surface area or volume

4 0

2 years ago

Read 2 more answers

Last Question...Please help if you can...(25 points if you answer this)

tresset_1 [31]

Answer:

Annie- 17 hours, Brian- 3 hours

Step-by-step explanation:

Let the number of hours Annie travelled be a, and same of Brian be b

Then we have

a + b = 20
a = 5b + 2

Substituting a in the first equation

5b + 2 + b = 20
6b = 20 - 2
6b = 18
b = 3

Then finding a

a = 20 - 3 = 17

So the answer is:

Annie- 17 hours, Brian- 3 hours

5 0

3 years ago

Which number is divisible by 2, 3, 4, and 6? a.124 b.3,072 c.1,005 d.786

uysha [10]

I think it might be 124

5 0

2 years ago

Here are 20 students in Jacob's homeroom. Five students bring their lunch to school. The rest eat lunch in the cafeteria. In sim

murzikaleks [220]

Answer: 3/4

Step-by-step explanation:

Number of students in Jacob's homeroom = 20.

Number of students who bring their lunch to school = 5

Since the rest eat lunch in the cafeteria, the number of those who eats in the cafeteria will be:

= 20 - 5

= 15

Fraction that eats in the cafeteria will be: = 15/20 = 3/4

5 0

3 years ago

What is the reflection image of p(0, 0) after two reflections, first across x = -3 and then y = 4 ?

Butoxors [25]

The reflection point P' would be (-6, 8)

3 0

2 years ago