Chemical engineers apply the principles of chemistry, biology, and physics to solve problems involving the production of chemicals, fuel, drugs, food, and many other products.hat Chemical Engineers Do About this section. Chemical engineers develop and design chemical manufacturing processes. Chemical engineers apply the principles of chemistry, biology, physics, and mathematics to solve problems that involve the production or use of chemicals, fuel, drugs, food, and many other products.
The rates drop to between $37 and $40 a month for a 12-month plan, depending on the location . The enrollment fee of $129 is higher than most, and not all of the gyms are open 24 hours. Snap Fitness, with 24-hour clubs in nearly every state, averages $35 a month and sign-up fees of $49. Cardinal Fitness, a Chicago area chain with locations in nearby states, charges $20 per month for a single membership or $32 for a couple.
1 Planet Fitness, which charges between $10 and $20 per month, has, on average, 6,500 members per gym. 2  Most of its gyms can hold around 300 people. 3  Planet Fitness can do this because it knows that members won't show up. 4  After all, if everyone who had a gym membership showed up at the gym, it would be Thunderdome. Low-priced gyms are the most extreme example of this. 2  Planet Fitness, which charges between $10 and $20 per month, has, on average, 6,500 members per gym. 3  Most of its gyms can hold around 300 people.