Interactive practice questions
Skye is taking part in a hotdog eating competition. Which of these compound units could be used to measure how quickly she can eat hotdogs?
Select all the correct options.
hotdogs/minute
A
seconds/hotdog
B
hotdogs/glass of water
C
seconds/bite
D
Easy
< 1min
A tap fills up a $240$240 litre tub in $4$4 hours.
Easy
< 1min
A toy manufacturer makes $720$720 toys in $9$9 hours.
Easy
< 1min
Justin earns $\$420$$420 in $6$6 hours.
Which of the following represents Justin's hourly rate?
Easy
< 1min
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