Given :
a restaurant customer left a $1.95 as a tip.
The tax = 5%
the tip was 15% of the after-tax cost
So, the information that not needed is the tax
Let the total bill = x
so, 15% of x = 1.95

so, the total bill = $13
20 boxes because 6 times 5 equals 30 so 4 times 5 is 20
Answer:
The answer to #7 is -4
Step-by-step explanation:
-2(x-3y)
-2( (-4) - 3(-2) )
-2 (-4+6)
-2(2)
-4
About 260 kids have blue eyes or prefer blue eyes