Question

14. The cost of a bag is b. A water bottle is RM 5 more expensive than a bag and a shirt three times as expensive as a bag. Form an expression to show the

a) cost of a water bottle.
b) cost of a shirt.
c) total cost of a water bottle and 8 shirts.

Answer 1

Answer:

cost of bag = b

cost of water bottle = b+5

cost of shirt = 3b

Solution:

a) cost of a water bottle = b+5

b) cost of a shirt = 3b

c) total cost of a

water bottle and 8 shirts

= b+5+8(3b)

= 25b+5

= 5(5b+1)