Answer:
length = 17cm, width = 10cm
Step-by-step explanation:
2L + 2w = 54
L = w + 7
Substitute:
2(w + 7) + 2w = 54
2w + 14 + 2w = 54
4w = 40
w = 10
L = 10 + 7 = 17
Answer:
5 * 3 * 2
Step-by-step explanation:
30
15 * 2
5 * 3 * 2
A came to C, C was supposed to go to A
2.40 before a 30% discount is 0.72