Question

find the cost of 40 book at 5 for 80k​

Answer 1

Answer:

640k

Step-by-step explanation:

USING UNITARY METHOD

cost of 5 books =80k

cost of 5 books =80kcost of 1 book = 80000÷5

cost of 5 books =80kcost of 1 book = 80000÷5cost of 40 books=80000÷5×40

cost of 5 books =80kcost of 1 book = 80000÷5cost of 40 books=80000÷5×40 =640000

cost of 5 books =80kcost of 1 book = 80000÷5cost of 40 books=80000÷5×40 =640000 =640k

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