The ticket seller sold 1,280 scratch cards in three days. He sold 90 tickets less on the second day than on the first day. He sold 1.5 times more tickets on the third day than on the second day. How many tickets did he sell on the third day?

Correct answer:

c =  510

Step-by-step explanation:

a+b+c=1280 b=a90 c=1.5b  a+b+c=1280 b=a90 c=1.5 b  a+b+c=1280 ab=90 1.5bc=0  Row2Row1Row2 a+b+c=1280 2bc=1190 1.5bc=0  Row321.5 Row2Row3 a+b+c=1280 2bc=1190 1.75c=892.5  c=1.75892.5=510 b=21190+c=21190+510=340 a=1280bc=1280340510=430  a=430 b=340 c=510

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: