Math Problem Statement
A mayor wants to know how many people in her town drive certain types of vehicles. She records 50 types of vehicles as they pass the busiest intersection in town. The table shows the results.
Type of Vehicle
Number of Vehicles
Gas
34
Hybrid
5
Electric
8
Diesel
3
How many electric vehicles can the mayor expect out of 4,000 vehicles in the town?
_____ electric vehicles
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Proportions
Ratios
Multiplication
Formulas
Proportion of electric vehicles = (Number of electric vehicles observed) / (Total vehicles observed)
Expected electric vehicles = Proportion of electric vehicles * Total vehicles in town
Theorems
Proportionality Theorem
Suitable Grade Level
Grades 5-7
Related Recommendation
Estimating Class Participation Using Proportions
Calculate Vehicles in an 8-Mile Traffic Jam with Cars and Trucks
Percentage of Households with Two or More 4-Wheelers in Five Complexes
Estimating CO2 Emissions Based on U.S. Vehicle Ownership and Driving Habits
Calculate Number of Vehicles Not Minivans in Parking Lot