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​Ratio: Quiz 7 - Answers
1) Red – 5
Green – 15
Total – 25
2) 15
3) Apples – 10
Bananas – 5
Grapes – 25
4) CDs – 360
DVDs – 630
5) 72

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Questions
1) A bag contains red and green balls in the ratio 1: 3. There are 10 more green balls than red balls. How many red balls are there? How many green balls are there? And, how many balls are there in total?
 
2) A class has boys and girls in the ratio of 5 : 6. There are 3 more girls than boys. How many boys are in the class?
 
3) A fruit bowl contains apples, bananas and grapes in the ratio 2 : 1 : 5. There are 20 more grapes than bananas. How many apples are there? How many bananas are there? And, how many grapes are there?
 
4) A shop sells CDs and DVDs in the ratio of 4:7. They sell 270 more DVDs than CDs. How many CDs do they sell and how many DVDs do they sell?
 
5) A bag contains grey and black balls in the ratio of 7 : 11. The difference in the number of grey and black balls is 16. How many balls are there in the bag in total?
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