3 years ago

In 12 years megan will be four times as old as she was 15 years ago. How old is she now?

Mathematics

2 answers:

Crank3 years ago

7 0

Answer:

x + 12 = 4 * (x - 15) --> x = 24

Arturiano [62]3 years ago

4 0

Answer:

Megan is 24 years old.

Step-by-step explanation:

Let her be x years old now.

x + 12 = 4(x - 15)

x + 12 = 4x - 60

72 = 3x

x = 24. (answer).

You might be interested in

Find the compound interest on 30,000 for 2years at 7 percent per annum

hjlf

Answer:

34347

Step-by-step explanation:

Use the formula s=p(1+r/k)^kt

p=30000

r=7% (interest)

k=1 (because of per annum)

t= 2 (years)

Hence: 30000(1+0.07/1)^1(2) = 34347

7 0

3 years ago

Find the sum of -6/ab + a^2/b^2

Ymorist [56]

Answer:

$\frac{1}{ab^{2} }$ (a³ - 6b)

Step-by-step explanation:

$\frac{-6}{ab} + \frac{a^{2} }{b^{2} }$

= $\frac{-6b + a^{3} }{ab^{2} }$

= $\frac{1}{ab^{2} }$ (a³ - 6b)

4 0

3 years ago

a plumber charges a service call fee of $25 plus $40 for each hour she works. which variable is the independent variable?

Viktor [21]

I think I'd be the $40 she charges every hour she works. If this is multiple choice mind drop-in the options

4 0

3 years ago

Read 2 more answers

The length of a ribbon is 3/4 meter. Sun Yi needs piece measuring 1/3 meter for an art project. What is the greatest number of P

Step2247 [10]

3/4 divided by 1/3 = 3/4 * 3/1 = 9/4 = 2 1/4 <-------reason

Sun Yi can cut out 2 pieces.

Sun Yi will have 1/4 left.

7 0

3 years ago

Read 2 more answers

Is 2/5 - (-5/6) positive,negative, or zero

malfutka [58]

It is positive.

Hope this helped.

6 0

3 years ago