I need help. Thank you.

b. $31.50

Step-by-step explanation:

A discount is paying less money, so all you have to do is subtract 30% from the total.

of = multiplication

to convert a percent to a decimal, move the decimal point twice to the left (so 30% becomes 0.30)

Now, solve!

45 - (0.3 x 45) = $31.50

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

the answer is 1/4

step-by-step explanation: