Oh what's 80 percent of 3.50 well think of 100 percent is 3.50 and then keep on subtracting until you have 80 percent of what you have
C>12
Y=-3 -3+13= 10
7x-14 Multiply
112
Litres left can be solve as shown below
Yes, when you have four quarters it’s one dollar and if you have two of them which makes up half of a dollar it’s 50