Mountain Sales Bicycle shop makes $100 on each model X bike sold and $50 on each model Y bikes sold. The bike shop’s overhead is $1500 per month. Each month the owner can get as many as 20 model X bikes and 30 model Y bikes. Also, the maximum number of bikes which the shop can stock is 40. Find the number of model X and model Y bikes he must sell to maximize the profit. What is the profit?

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

hope this < 3

answer:     true

step-by-step explanation:

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

this is answer of 144 cubic meters