The total weight of all the insects in the world is about 7/20 billion tons. The total weight of all humans is about 1/3 of this amount. Find the total weight of all humans.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?