Question

A student bought pens at Rs8 each and some pencils at Rs1.50 each.If the total number of pens and pencils purchased is 16 and there total cost is Rs 50,how many pence did he buy?

Answer 1

Answer:

Let the number if pencils bought be X.

Number of pens bought = 16-X

ATQ,

1.5X + 8(16-X) = 50

1.5X + 128 - 8X = 50

6.5X = 78

X = $\frac{78}{6.5}$

X = 12

∴Number of pens bought = 16-12 = 4 pens

Answer 2

He brought 4 pens and 12 pencils.