Question

If a woman age today is seven year less than three-fourths of her age twenty years from now

Answer 1

Answer:

a woman's age today is seven years less than three Fourths of her age twenty years From now, how old is she today?

Answer:

She is 32 years old today.

Solution:

\begin{gathered}x = \frac{3}{4} (x + 20) - 7 \\ x = \frac{3}{4} \: x + \frac{3}{4} x20 - 7 \\ x - \frac{3}{4} x = 15 - 7 \\ \frac{1}{4} x = 8 \\ \\ x = 4 \times 8 = 32 \\ \\ \\ so \: she \: is \: 32years \: \: old \: today\end{gathered}

x=

4

3

(x+20)−7

x=

4

3

x+

4

3

x20−7

x−

4

3

x=15−7

4

1

x=8

x=4×8=32

sosheis32yearsoldtoday