1. A shop sells notebooks for ₹12 each, pens for ₹6 each, and markers for ₹15 each.
Write an expression for the total cost if a customer buys a notebooks, b pens, and c markers.
Find the total cost when a = 2, b = 3, c = 1.
2. A fruit seller sells apples at ₹8 each and oranges at ₹5 each.
Write an expression for the cost of p apples and q oranges.
3. A cab company charges a fixed fee of ₹50 plus ₹k per kilometre.
Write an expression for the cost of a 20 km ride.
4. A stationary shop sells a geometry box for ₹g and a scale for ₹s.
Write an expression for buying 3 geometry boxes and 4 scales.
5. A hotel charges ₹h per room per night and an additional maintenance fee of ₹200.
Write an expression for staying n nights in 2 rooms.
6. A bakery sells cupcakes for ₹x each.
Write an expression for the cost of 12 cupcakes.
7. A travel company charges ₹t per ticket and an additional processing fee of ₹150.
Write an expression for buying m tickets.
8. A shop sells bags for ₹20 each and bottles for ₹10 each.
Write an expression for the total cost of u bags and v bottles.
9. An event charges ₹r per visitor and a fixed entry fee of ₹500.
Write an expression for r visitors attending the event.
10. A tailor charges ₹p per shirt and ₹q per pant.
Write an expression for stitching 6 shirts and 4 pants.
11. A game arcade charges ₹40 per game token and a registration fee of ₹z.
Write an expression for 10 game tokens.
12. Cost price of an item is ₹c.
The shopkeeper increases its price by ₹15.
Write the expression for the new price.
13. A school charges ₹f per book for a set of textbooks and a one-time fee of ₹300.
Write an expression for a student who buys b books.
14. A printing shop prints pages at ₹2 per page and ₹d for designing.
Write an expression for printing k pages.
15. A subscription service charges ₹s per month and a joining fee of ₹250.
Write an expression for 1 year (12 months) of subscription.
1.
Expression:12a+6b+15c
Substitute a=2, b=3, c=1:12(2)+6(3)+15(1)=24+18+15=57
2.
Expression for total cost:8p+5q
3.
Cost of 20 km ride:50+20k
4.
Cost expression:3g+4s
5.
Two rooms for n nights:
Room cost = 2hn
Add ₹200 fee:2hn+200
6.
12 cupcakes cost:12x
7.
Expression for m tickets:mt+150
8.
Total cost of u bags and v bottles:20u+10v
9.
Expression:500+rv
(Note: If “r visitors”, the expression = 500+r⋅r.
But since question says “₹r per visitor”, correct expression is: 500+r⋅visitors.)
Assuming visitors = n:500+rn
10.
Expression for stitching:6p+4q
11.
10 game tokens cost:40(10)+z=400+z
12.
New price:c+15
13.
Textbook cost:fb+300
14.
Printing k pages:2k+d
15.
12-month subscription:12s+250
