SOLUTION: A preschool playground has both bicycles and tricycles. There is a total of 30 seats and 70 wheels. How many bicycles are there? How many tricycles are there? I already know:
Se
Question 823798: A preschool playground has both bicycles and tricycles. There is a total of 30 seats and 70 wheels. How many bicycles are there? How many tricycles are there? I already know:
Seats: b+t=30
Wheels: b(2) + t(3) = 70. Just not 100% sure how to solve. Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! ---
x + y = 30
2x + 3y = 70
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answer:
x= bikes = 20
y= tricycles = 10
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