28.

Mathematics

1 answer:

Artyom0805 [142]3 years ago

7 0

Answer:

Step-by-step explanation:

30% * n = 15

Change to decimal form

.30 *n = 15

Divide each side by .30

.30n/.30 = 15/.30

n =50

The number is 50

You might be interested in

Natasha_Volkova [10]

Answer:

the 5 for $2.45

4 0

2 years ago

Somebody plz me on this real quick

Kay [80]

I think it would be the second one

4 0

3 years ago

PLEASE HELP ME I BEG YOU!

ICE Princess25 [194]

The center of the circle is (3,9) so the answer is A

5 0

3 years ago

What is the 4th term in the sequence b(n)=1(-2)^n-1

mel-nik [20]

$b(n)=1(-2)^n-1$

When n = 4,
$b(4)=1(-2)^4-1$

$b(4)=16-1$

$b(4)=15$

-------------------------------------------------------------

$b(n)=1(-2)^{n-1}$

When n = 4
$b(4)=1(-2)^{4-1}$

$b(4)=1(-2)^3$

$b(4)=1(-8)$

$b(4)=-8$

8 0

3 years ago

There were 16 stairs.carlos walked halfway up.how many steps did he climb

ololo11 [35]

The answer is 8.
half of 16 is 8

3 0

3 years ago