Answer:
i got 20
sorry if this is wrong
Step-by-step explanation:
{ y=2x+2
{ y=4x-2
2x+2=4x-2
x=2
y=2 ⋅ 2+2
y=6
(x,y)=(2,6)
——
Check solution:
{ 6=2 ⋅ 2+2
{ 6=4 ⋅ 2-2
{6=6
{6=6
An easy way to do this question is finding 40% of 120 then subtracting it from $120. This is done in a few ways, i use the unitary method:
120/100= 1% =1.2
x40 to find 40% = $48
120-48= 72
The sale price is 72
OR
multiply 120 by .6 to find the result with 40% taken away
Answer:
y=-7x+58
Step-by-step explanation:
The total area of the two triangles is 64 square inches
