An art teacher needs to buy 5 boxes of markers to completes a project with the class of 20 students. How many boxes of markers will he need to buy for class of 28 students.

7 boxes.

Step-by-step explanation:

1 box per 5 students. And you would have 3 extra students. In this case you can't have less then what you need so she would have to buy 7 boxes, but have a few extra.

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

step-by-step explanation:

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without