Blake has a glass tank. First, he wants to put some marbles in it, all of the same volume. Then, he wants to fill the tank with
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Answer:
The percentage increase in the production cost of the printer is 3%.
Step-by-step explanation:
We are given that the production of a printer consists of the cost of raw material at 100 dollars the cost of overheads at 80$ and wages at 120$.
Also, the cost of raw materials and overheads are increased by 11% and 20% respectively while wages are decreased by 15%.
Cost of raw material = $100
Cost of overheads = $80
Cost of wages = $120
So, the total cost of the printer = $100 + $80 + $120
= $300
Now, the increase in the cost of raw material = $100 + 11% of $100
=
= $100 + $11 = $111
The increase in the cost of overheads = $80 + 20% of $80
=
= $80 + $16 = $96
The decrease in the cost of wages = $120 - 15% of $120
=
= $120 - $18 = $102
So, the new cost of a printer = $111 + $96 + $102 = $309
Now, the percentage increase in the production cost of the printer is given by;
% increase =
=
= 3%
Hence, the percentage increase in the production cost of the printer is 3%.