### Home > CC1 > Chapter 7 > Lesson 7.3.2 > Problem7-97

7-97.

Translate each of these situations into a variable expression such as those found in a magic number chart.

1. Pick a number and multiply it by $7$.

Use x to represent the number you pick.

What would the expression look like if you multiplied your number by $7$?

$7x$

2. Pick a number and divide it by $8$.

See (a).

3. Pick a number and reduce it by $10$.

What happens to a number when you reduce it by $10$?

See part (a).

4. Pick a number, add $2$, then multiply by $5$.

See part (a).

$5 ( x + 2 )$