If four pens cost $1.96, what is the greatest number of pens that can be purchased for $7.68?

Martina wants to buy as many felt-tip pens as possible for $10. If the pens cost between $1.75 and $2.30, what is the greatest number of pens Martina can buy?

If 8 pens cost ₹ 356, what is the cost of 14 pens ?

If 15 pens cost Rs. 35, what is the cost of 39 pens?

If he cost of 20 pens is Rs 110, find the number of pens that can be bought for R 33.

If the cost of 20 pens is Rs 110, what is the cost of 4 pens ?

IF the cost of 15 pens is Rs 150 what is the cost of 7 pens ?

If 8 pens cost Rs. w, find the cost of 5 such pens.

Gaudy purchased some pens and pencils. For every pen, he purchased 2 pencils. If the total number of pens puchased was x, then the number of pencils purchased was

If cost of 12 pens is Rs84. then what is the cost of 10 such pens ?