Y=x+10
y is the total cost
x is the number of toppings times $1
10 is the cost of the pizza
3x - 10 + x = 90
4x = 100
x = 25 degrees
Area of rectangle b=1/2 area of rectangle a=40/2=20 cm²
Length=8 cm
Width of rectangle b=20/8 =2.5 cm
3. Twenty is two times the size of ten.
That's basically what the division problem says, is it not?
