Answer:
$2
Step-by-step explanation:
40 x 0.05 = 2
The question is saying that if you buy 5 lbs, you have to pay $2.49. That means that 1 lb is $2.49/5 which (rounded to the nearest cent) is $0.50
Use Subtraction
1. Subtract
x+2y=7
3x-2y=-3
-------------
4x+0y=4 SIMPLIFY 4x=4
2. DIVIDE
4x=4
x=1
Substitute that into either of the original equations to get x=1, y=3
18a+15
making a subject of formular
a=18-15
=3
Answer:
the value of g is -4
Step-by-step explanation:

Our aim is to solve for g
multiply 10 inside the parenthesis

Now combine like terms
Subtract 5g from both sides


Divide both sides by -1
