Aircraft models

How many car models did the collector own after the collector's market? The collector of car and aircraft models owned three times more car models than aircraft. He sold seven car models and nine aircraft models on the stock exchange and bought 12 car models and four aircraft models. Then he had five times more car models in his collection than airplane models.

Correct answer:

a =  50

Step-by-step explanation:

a+712=3 (l+94) a=5 l  a3l=20 a5l=0  Row2Row1Row2 a3l=20 2l=20  l=220=10 a=20+3l=20+3 10=50  a=50 l=10

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

Tips for related online calculators
Do you have a system of equations and are looking for calculator system of linear equations?

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

Related math problems and questions: