iGCSE Mathematics (0580) :E2.1 Use letters to express generalized numbers and express basic arithmetic processes algebraically.iGCSE Style Questions Paper 2

Question

Sacha buys b books and m magazines.
The cost of each book is \$12 and the cost of each magazine is \$5.

Write an expression, in terms of b and m, for the total cost of the books and the magazines.

▶️ Answer/Explanation

Solution

Ans: $12b + 5m$

Cost of books = number of books × price per book = $12 × b$

Cost of magazines = number of magazines × price per magazine = $5 × m$

Total cost = Cost of books + Cost of magazines = $12b + 5m$

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