Problema Solution
Elijah bought 81 toy cars. Some of the cars are $19.80 each and the others are $23.80 each. If he spent $1807.80 for his purchase, how many cars did he buy for $19.80 each
Answer provided by our tutors
Let
x = the number of cars bought ($19.80 each)
81 - x = the number of other toys ($23.80 each)
19.80x + (81 - x)*23.80 = 1807.80
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click here to see the equation solved for x
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x = 30 cars
Elijah bought 30 cars.