3. shipping the lone star shipping
company charges $14 plus $2 a pound
to ship an overnight package. discount
shipping company charges $20 plus
$1.50 a pound to ship an overnight
package. for what weight is the charge
the same for the two companies?

14 + 2p = 20 + 1.5p   =   12 pounds.

How I Got My

14 + 2p = 20 + 1.5p

    -1.5p         - 1.5p

14 + 0.5p = 20

-14              -14

0.5p = 6

0.5p/0.5 = 6/0.5

p = 12

12 pounds.

you would need to know all the numbers that are on there

step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10