Answer:
Explanation:
If the cost of 40 books is ₹ 360, how much will 30 books cost?
we can solve with an equation
40 : 360 = 30 : x
x = 360 * 30 : 40
x = 270 £
or
we find the price of a book and multiply it by 30
360 : 40 * 30 =
9 * 30 =
270 £
4.7m questions
6.0m answers