& A candle making machine uses 12 kg of wax in 4 hours. How much wax will be used in 14 hours?
a A dozen jars contain 5472 toffees. How many toffees are there in 50 jars?
1 The cost of 3 plastic tables is 960
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Step-by-step explanation:
no.1
In 4 hours= 12kg
In 1 hour = 12/4
=3
In 14 hours= 14×3
=42
Answer is 42 kg
no.2. 1 dozen=12
12 jars= 5472 toffees
1 jar. =5472÷12
= 456
50 jars= 456×50
=22800
Answer is 22800 toffees
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