Answer: $75
Explanation:
*The new price will be 5/6 of 90*
What will that be? Well, "of" means "multiplication", so multiply 5/6 and 90. Easy way to have 90/1 to balance the fraction
5/6*90/1= 450/6
its 450 because 90*5=450 and 6*1 is 6
now we just divide 450/6 is $75