Mark orders 100 chicken nuggets.  A 20 box of chicken nuggets cost $4.  How much did he pay for the chicken nuggets?
How many boxes of chicken nuggets does Mark order? ** He orders 100/20=<<100/20=5>>5 boxes
How much did Mark spend on the chicken nuggets? ** So that means he spent 5*4=$<<5*4=20>>20 on nuggets
#### 20