Solve the problem.
-A part of the Consumer Price Index (CPI)is given below: $$\begin{array} { c | c | c | c | c | c }
\text { Year } & 1975 & 1980 & 1985 & 1990 & 1995 \
\hline \text { CPI } & 53.8 & 82.4 & 107.6 & 130.7 & 152.4
\end{array}$$ Suppose a week's groceries in 1975 cost $85. What would these groceries cost, to the nearest dollar, 20 years later?
A)$33
B)$184
C)$237
D)$241

Question

Solve the problem.
-A part of the Consumer Price Index (CPI)is given below: $$\begin{array} { c | c | c | c | c | c } 
\text { Year } & 1975 & 1980 & 1985 & 1990 & 1995 \
\hline \text { CPI } & 53.8 & 82.4 & 107.6 & 130.7 & 152.4
\end{array}$$ Suppose a week's groceries in 1975 cost $85. What would these groceries cost, to the nearest dollar, 20 years later?
A)$33
B)$184
C)$237
D)$241

Quizplus · Accepted Answer

To find the cost of groceries in 1995, use the ratio of the CPI in 1995 to the CPI in 1975: (152.4 / 53.8) * $85 = $240.85, which rounds to $241.

Solve the Problem Suppose a Week's Groceries in 1975 Cost $85