James is driving his car. He knows how far he has travelled in kilometres, and how long it has taken him in minutes.
Which rates can be used to calculate his average speed? Select all that apply.
kilometres/hour
kilometres/minute
hours/minute
A carton of $10$10 eggs cost $\$6.50$$6.50. How much does $1$1 egg cost? Give your answer in cents.
A $0.6$0.6 litre bottle of milk costs $\$0.84$$0.84. How much does the milk cost per litre?
A $1.35$1.35 kg packet of mince costs $\$15$$15. How many grams of mince does each dollar buy?