Posted by jake on .
the diameter of a small pizza is 16 centimeters. this is 2 cm more than 2/5 of the diameter of the large pizza so how big is the large pizza

math 
PsyDAG,
16 = 2/5D + 2
Subtract 2 from both sides, then multiply both sides by 5/2.
I hope this helps. Thanks for asking.