Megan bought a fridge for $499 plus $100 delivery fee is not a proportional relationship.
Answer:
Step-by-step explanation:
4. 10x + 30 = 90
10x = 60
x = 6
complementary
5. 4x + 40 + 3x = 180
7x + 40 = 180
7x = 140
x = 20
supplementary
Answer:
180
Step-by-step explanation:
2 times 30 equals 60 which is an hour so 6 times 30 equals 180.
Answer:
hii
x=30
Step-by-step explanation:
x+3x+5x-90=180
9x=270
x=30