Ahmed is taking orders for lunch. A slice of pizza cost $2.50 and a chicken sandwich cost $3.50. He collects $21.50 for the grou
p of 7. let x= number of pizza orders. Let y= number of chicken orders. Assuming each person only orders one item. how many people order the chicken sandwich?
A rectangular prism is a cuboid so volume of cuboid is base area x height which is 5x5x12=300 volume of pyramid is 1/3 x base area x height = 5x5x6x1/3=50 thus volume outside pyramid and inside cuboid is 300-50=250