Question

Brent has two barcode printing machines. Each machine can print 25 barcodes per minute. On day 1, only the first machine was used, and it printed 95 barcodes. On the following day, the first machine printed for x minutes and the second machine printed for y minutes. Which expression shows the total number of barcodes printed by both machines during these two days?

Answer 1

please help me this question I am really stuck on.

Answer 2

The sum of three consecutive numbers is 84. What is the largest of these numbers?

Answer 3

this one also

Answer 4

does anyone have the answer for either of these questions if so please tell me

Answer 5

let one number be x.
So, if the numbers are consecutive, the second one will be (x+1)
Therefore:
x+(x+1)= 84...can you continue from here?

Answer 6

no I am so confused

Answer 7

ok

Answer 8

let us say for example we have 3, what is the next consecutive number?

Answer 9

6

Answer 10

OK. consecutive means follow each other in order. So it means the number that comes right after.

Answer 11

so what is the consecutive number of 12

Answer 12

so 4

Answer 13

oh no i meant 13

Answer 14

yes, you are right

Answer 15

so, back to the question... we have 2 consecutive numbers which we do not know so we can say they are:
x
x+1
right?

Answer 16

yes

Answer 17

sorry they are three not two
x
x+1
x+2

Answer 18

their sum is 84
x+ x+1 +x+2=84
now we find x

Answer 19

I do not understand the first question also

Answer 20

Day 1: 95 bar codes
Day 2: 25x+25y
Total: 95+25x+25y

Answer 21

Macy wants to buy a skateboard for $42. She has $95 in her account. She spent $12.99 to buy stationary. She also wants to buy some ice cream bars for $3.07 each. What is the maximum number of ice cream bars, n, that Macy can buy so that she has enough money left to buy the skateboard?

Answer 22

Jacob wants to use an elevator to carry identical packages having the same weight. Each package weighs 3 pounds and Jacob weighs 99 pounds. If the elevator can carry a maximum of 300 pounds at a time, which inequality shows the maximum number of packages, n, that Jacob can carry with himself in the elevator if he is the only passenger?

Answer 23

In a song competition, a participant has to score a total of at least 20 points in the first four rounds combined to move on to the fifth and final round. Curtis scored 2 points in the first round. He then went on to score additional points in the second, third, and fourth rounds. In each of those rounds, his score was identical. Which inequality best shows the number of points, p, that Curtis scored in each of the second, third, and fourth rounds if he earned a place in the finals?