Multiplication
4x4=
16
16/4=
4
.25
25%
$2 changed to $3
50% increase
7% tax on $15=
$1.05
5x5=
25
20/5=
4
.30
30%
$3 changed to $1
67% decrease
9% tax on $20=
$1.80
6x7=
42
30/5=
6
.45
45%
$10 to $15
%50 increase
20% Tip on a $100 bill
$20
11x11=
121
100/50=
2
.05
5%
$114 to $99
13% decrease
20% Tip on a $15 bill
$3
12x11=
132
266/2=
133
.008
.8%
$214 to $250
17% Increase
25% Tip on a $122.09 Bill
$30.52