Z=kx, 30=8k, so k=30/8=15/4 and z=15x/4, so when x=4, z=15.
Answer: b=20
Step-by-step explanation:
Subsitute a for 20.
b=20/4-3
b=20/1
b=20
Answer:
i think if it were me i whould divide 300 dide 15
Step-by-step explanation:
Answer:
7 and 1/3
Step-by-step explanation: