Answer:
$52.50
Step-by-step explanation:
To find the total cost, we need 105% of $50. Multiply;
$50 × 1.05 = $52.50
The total cost is $52.50
Answer:
Volume of the piece in the picture = 350 cubic inches
Volume of the remaining piece = 300 cubic inches
Step-by-step explanation:
Given question is incomplete without the picture; here is the picture as an attachment.
Volume of the rectangular prism = Length × width × height
V = 5 × 13 × 10
= 650 cubic inches
Now volume of the piece given in the picture = Volume of prism at the base + Volume of the prism with triangular base
= 10×5×1 + 
= 50 + 
= 50 + 300
= 350 cubic inches
Volume of the other piece = 650 - 350
= 300 cubic inches
2x+3y=6
3y=6-2x
y=2-2/3x
y=-2/3x+2
the 3rd one is correct
Equation: (70 + 70*.05) + (580 + 580*.07) + (620 + 620*.10) = Total Spent
Solving for this gets you $1320.30.