Question

Find the cost of 45pens,if the cost of 10 pens is Rs45.80

Answer 1

Answer:

45.80÷10 for each pen price then multiply it by 45

45.80÷10 = 4.58

4.58×45 = 206.1

Step-by-step explanation:

Answer 2

Question:-

Find the cost of 45pens,if the cost of 10 pens is Rs45.80.

Solution:-

{By question}

To find cost of 45 pens.

10 pens cost is Rs 45.80

mean's, 5 pens = ½ × 10 pen's

so, now,

=> 5 pen's = ½ × 45.80

=> 5 pen's = 22.9

we, know that

=> 45 pen's = [ 5 × 9 ] pen's

so, now,

=>45 pen's cost=[cost of 5 pen's × 9]

=>45 pen's cost= 22.9 × 9

=>45 pen's cost=Rs 206.1

Hence,cost of 45 pen's is Rs 206.1

i hope it helps you.