Find the total or difference given a part

Maths

Eva and Jess share some sweets in the ratio 2 : 7. Jess receives 42 sweets. How many sweets did Eva receive?

Eva and Jess share some sweets in the ratio 2 : 7. Jess receives 42 sweets. How many sweets did they have in total?

David and Jasmine share some football cards in the ratio 5 : 9. Jasmine gets 12 more cards than David. How many cards did they share in total?

Amjeet and Harry share some money in the ratio 5 : 3. Harry receives £24. How much does Amjeet receive?

Amjeet and Harry share some money in the ratio 5 : 3. Harry receives £24. How much money did they share?

Eva, Teddy and Sophie share some money in the ratio 2 : 7 : 5. Eva receives £30. How much more money did Teddy get than Sophie?