formulate a pair of linear equation in two variables for the given data 5 pencils and 7 pens together cost Rs.60,where as 7pencils and 5pens together cost Rs.80
Answers
Answered by
1
Step-by-step explanation:
5 - 7
7 - 5
7 + 7 = 14
5 + 5 = 10
60+80 = 140
24 ÷ 140 = 6
Similar questions