2 years ago

When I am 5% older than I am now, I will be 21 years old. How old am I now?

Mathematics

2 answers:

sasho [114]2 years ago

8 0

Answer:20 years

Step-by-step explanation: Let your present age be 'x'

If you are 5percent holder then your age is 21

x +5/100×x =21

x+5x/100=21

100x+5x/100=21

105x/100=21

x=21×100÷105

x=20

Andrej [43]2 years ago

3 0

X＋5％×x＝21
x＋5/100x＝21
x＋1/20x＝21
21/20x＝21
x＝20
You are 20 years old now.

Hope my answer helped u :)

You might be interested in

Todd swam his race in 36.795 seconds while Markie swam his race in 39.09 seconds. What was the difference in their times?

ivann1987 [24]

Answer:

2.295 seconds

Step-by-step explanation:

39.09-36.795

=2.295 seconds

PLS GIVE BRAINLIEST

6 0

2 years ago

Which of the following are examples of exponential decay?

Liono4ka [1.6K]

Decreasing in quantity according to the law is the definition of exponential decay. but what are the choices you can chose from?

5 0

2 years ago

Write the equation of a line that is parallel to y=0.6x + 3 and that passes through the point (-3,-5)

Mkey [24]

Answer:

$\large\boxed{y=0.6x-3.2}$

Step-by-step explanation:

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

We have

$y=0.6x+3$

Parallel lines have the same slope. Therefore we have the equation:

$y=0.6x+b$

The line passes through the point (-3, -5). Put the coordinates of the point to the equation and solve it for b:

$-5=0.6(-3)+b$

$-5=-1.8+b$ <em>add 1.8 to both sides</em>

$-3.2=b$

Finally we have:

$y=0.6x-3.2$

8 0

2 years ago

If c=3 what is the answer for c to the third power/2

erik [133]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

C/- 4 = 16<br> please help

Yuri [45]

Answer:

c = -64

Explanation:

c/(-4) = 16

multiply the equation by -4,

c/(-4) × (-4) = 16 × (-4)

c = 16 × (-4)

c = -64

7 0

2 years ago

Read 2 more answers