For each of the annual inflation rates given in the following table, first determine the new price of a movie ticket, assuming i
t rises at the rate of inflation. Then enter the corresponding purchasing power of Lucia's deposit after one year in the first row of the table for each inflation rate. Finally, enter the value for the real interest rate at each of the given inflation rates. Hint: Round your answers in the first row down to the nearest movie ticket. For example, if you find that the deposit will cover 20.7 movie tickets, you would round the purchasing power down to 20 movie tickets under the assumption that Lucia will not buy seven-tenths of a movie ticket.
1 answer:
Answer:
see below
Explanation:
The balance in Lucia's account is 1.05 times the original deposit, reflecting addition of 5% interest for the year.
The ticket price is the original price multiplied by (1 + inflation rate). The number of tickets that Lucia can purchase is the account balance divided by the ticket price. The quotient is rounded down to the nearest integer.
The "real interest rate" is the percentage change from the original number of tickets that could be purchased.
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Answer:
The surface area of the cube is 96 squared unit.
Explanation:
The surface area of a cube is the addition of the area of each surfaces. The surface net of the cube illustrates that it has 6 squares of 4 unit length each.
So that,
Area of a square = length × width
But, length = width
⇒ Area of a square =
=
= 16
Area of one of the squares of the cube is 16 squared unit.
Surface area of the cube = number of squares × Area of one of the squares of the cube
= 6 ×16
= 96 squared unit
The surface area of the cube is 96 squared unit.