The cost of 10 pens and 12 pencils is rs 138 what is the cost of 15 pens and 18 pencils
Answers
Answered by
11
hiiiii friend
here is your answer
assuming the pen be"p" and pencils be"k"
so,
10p + 12k=138
10p + 1k =11.5
1p + 1k =1.15
now,
15p + 1k=1.15×15
15p + 18k=17.25×18=310.5
so the amount be rs.310.5
glad to help you
hope it helps
thank you.
here is your answer
assuming the pen be"p" and pencils be"k"
so,
10p + 12k=138
10p + 1k =11.5
1p + 1k =1.15
now,
15p + 1k=1.15×15
15p + 18k=17.25×18=310.5
so the amount be rs.310.5
glad to help you
hope it helps
thank you.
Similar questions