Highway Safety Exercises 41–50 are based on the following table, which shows crashworthiness ratings for several categories of motor vehicles.^{10} In all of these exercises, take X as the crash-test rating of a small car, Y as the crash-test rating for a small SUV, and so on, as shown in the table.
Overall Frontal Crash Test Rating | |||||
Number Tested | 3(Good) | 2(Acceptable) | 1(Marginal) | 0(Poor) | |
Small Cars, X | 16 | 1 | 11 | 2 | 2 |
Small SUVs, Y | 10 | 1 | 4 | 4 | 1 |
Medium SUVs, Z | 15 | 3 | 5 | 3 | 4 |
Passenger Vans, U | 13 | 3 | 0 | 3 | 7 |
Midsize Cars, V | 15 | 3 | 5 | 0 | 7 |
Large Cars, W | 19 | 9 | 5 | 3 | 2 |
Compute
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