Step-by-step explanation:
A= l × w
A= (3x+6)×(4x+2)
A= 12x²+6x+24x+12
A=12x²+30x+12
P=2l+2w
P=2(3x+6)+2(4x+2)
P=6x+12+8x+4
P=14x+16
Answer:
she gave away 4
Step-by-step explanation:
p = 16-12 = 4
Ye $5 notes be x and $1 notes be y
Equation = 5x+y = $40