Answer:
4y--7 i think
Step-by-step explanation:
Let the number of article be x,
let the machine required be y
x/42=63
x/y=54
x=63*42
x=54*y
∴42×63=54y
y=49
Answer:
g)112
Step-by-step explanation:
You wanna move it down to F by 4 squares
6x + 2 + 4 + 6 + 8 + 10 = 126
6x + 30 = 126
6x = 96
x = 16
Numbers are {16,18,20,*22*,24,26)
Correct answer is 22.
Remember when solving inequalities the sign of your inequality reverses when dividing or multiplying negative values. k/-12<15. k>-180 [-180, positive infinity)