The price of a mathematics book is $ 65 and of a science book is $ 78. Find the cost of 40 mathematics books and 115 science books in total?
Answers
Answered by
6
Answer:
math books price is 2600 dollar
science book price is 8970 dollar
Answered by
1
Answer:
hey dear
cost of 6 maths book = rupees 48
hence ,
for calculate cost of one math book we have to divide 6 to 48
as number of book is 6 and cost is rupees 48
cost of 1 math book =
hence , by dividing we get
8 ,so
hence ,
to calculate the cost of 13 maths book we have to multiply 13 and 8
cost of 13 maths book
=
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