Question

the cost of 18 mathematics textbooks is rupees 225 find the cost of 13 textbooks​

Answer 1

Answer:cost of 18 notebook is = 225nsjsnkwnendkdnnendnd

Step-by-step explanation:

Answer 2

Answer:

18_225

13_x(?)

by cross multiplying

18x=225×13

x= 225×13÷18

{13÷18=0.72}

225×0.72=162

• Therefore ,cost to buy 13 textbooks=162☺️