A candle

A candle shop sells scented candles for $16 each and unscented candles for $10 each. The shop sells 28 candles today and makes $400.

a. Write a system of linear equations that represents the situation.

b. Solve the system to answer the questions: How many candles did the shop sell today? How many unscented candles did the shop sell today?

Correct result:

a =  20
b =  8

Solution:


16a + 10b = 400
a+b = 28

16•a + 10•b = 400
a+b = 28

16a+10b = 400
a+b = 28

a = 20
b = 8

Our linear equations calculator calculates it.



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