What is the expression for "the difference of 3 and 5 times a number"

 The required expression is .

Step-by-step explanation:  We are given to write the following expression :

"the difference of 3 and 5 times a number".

Let the number be represented by x.

Then, 5 times x is written as 5x.

The difference of 3 and 5 times x ca be written as

.

Thus, the required expression is .

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.