25+30x=65+20x
30x=40+20x
10x=40
x=40/10
x=4
x is for the number of sessions
ANSWER: 4 sessions
It will cost 145$ for both gyms after 4 sessions.
Answer: It varies.
It depends on how frequent the plant grows by 10 cm, and how much time there is for the growing.
Answer:
x=40
Step-by-step explanation:
8(1/2x + 5) = 200
4x + 40 = 200
4x = 160
x = 40
Yes, because the ratios are equivalent between each pair of values.
Answer: 282
Step-by-step explanation: just multiplícate it by 4