Jose has to make 1.7 tonnes of dry mortar for the garage. He uses cement, sand and lime in the ratio 1 : 5 : 2 to make the dry mortar.

Jose wants to know how much lime he needs to make 1.7 tonnes of dry mortar.

How much lime does Jose need?

Give your answer in tonnes correct to 2 decimal places.
Show a check of your working.