Answer:
318.6
Step-by-step explanation:
(3x-9) + (x+15) = 180
3x (x+15) -9 (x+15)
4x + 45x - 9x + 6 = 180
40x + 6 = 180
40x = 180 - 6
40x = 174
x = 4.34
(3x-9) = 4.34 * 3x-9 = 4.02
(x+15) = 4.34 + 15 = 19.34
180 - (4.02 + 19.34)
= 180 - 23.36
= 156.64
hope this answer helps!!
multiply 40 by 10%
40*0.10 = 4, so the discount would be $4
28 divided by 4= 7
7-3=4
answer: 4 notebooks left.
I think it would be the second graph
Answer:
648
Step-by-step explanation:
5832÷9=648
I'm not sure what else to put for the explanation.
