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Solving for \( w \): \( w = 50 \) meters
Length: \( 3w = 150 \) meters
Area: \( 50 \times 150 = 7,500 \) square meters
The area of the field is 7,500 square meters.
A cyclist rides at a speed of 15 km/h for the first 2 hours, then increases speed to 20 km/h for the next 3 hours. What is the total distance traveled?
Distance at 15 km/h: \( 15 \text{ km/h} \times 2 \text{ hours} = 30 \text{ km} \)
Distance at 20 km/h: \( 20 \text{ km/h} \times 3 \text{ hours} = 60 \text{ km} \)
Total distance: \( 30 \text{ km} + 60 \text{ km} = 90 \text{ km} \)
The cyclist travels a total of 90 km.
A bank offers a savings account with an annual interest rate of 5%, compounded annually. If $1,000 is deposited, how much will be in the account after 3 years?