Hobby Hut sells sewing supplies. They sell needles for $2.50 per pack and pins for $2.00 per pack. Last week they sold twice as many packs of pins than packs of needles. If the total for the two items was $195.00, how many of each item did they sell? What's the varible(unknown)?

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation:

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)