The members of the PTA are ordering pizza for a meeting. They plan to order 3 cheese pizzas for every 4 pepperoni pizzas they order. How many cheese pizzas will they order if they order a total of 35 pizzas?

Can someone me with this problem . show your work .

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.