Twice a number +3 times the second number is -1 the first number +4 times the second number is two

If lmn=xyz, which congruences are true by cpctc? check all that apply

Icould really use some with this question.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)