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David's savings for the last 4 months were $15, $15, $12, and $13. If he wishes to increase his average savings by $2, how much must he save next month? Notes to students: Round your answer off to 2 decimal places
David bought 49 kg, 56 kg, 12 kg and 24 kg of flour in the first four months of the year. He then bought some flour in May which increased the average mass of flour bought per month by 2.7 kg. How much flour did he buy in the fifth month? Notes to students: Round your answer off to 2 decimal places ...
John always spends 20% of his monthly salary and saves the rest. After a pay increment of 10%, his monthly expenditure increases by $150. (a) What was his monthly income before the pay increment? (b) How much was his savings after the pay increment? Notes to students: ...
Gina saves exactly 60% of her salary every month. Her salary for the month of September was 20% less than her salary for the month of August. As a result, she spent $360 less in September as compared to the previous month. What was her expenditure in August?
Carol would always use 20% of her monthly salary to fund her daughter’s music classes. She received 40% less salary in May as compared to April. As a result, the amount of money that she used for music classes in May was $120 less as compared to that in April. How much money did she use to fund her daughter's music classes in April?
16% of the stickers in a box are square in shape. The rest of the stickers which are triangular, pentagonal and hexagonal in shape are in the ratio 3:4:5. The total number of square and hexagonal shaped stickers is 14 more than the sum of the other two. (a) Find the total number of stickers in the box. (b) John added some stickers to the box and the number of stickers increased b ...
Demi, Zenith and Shirley bought a present for Charlie. Demi paid $60 for the present while Zenith and Shirley paid the rest. If Demi pays $12 less for the present, the total amount paid by Zenith and Shirley will increase by 6%. How much does the present cost?
Schools A and B decided to share the cost of developing a garden in the vicinity. School A contributed $276. If school A had contributed $81 less, the amount of money that school B would need to pay would increase by 25%. What was the amount of money needed to develop the garden?
There are 2033 people watching a volleyball match. Out of all these people watching the volleyball match, if 1365 of them move to watch a basketball match in a court nearby, the number of people watching basketball would increase by 105%. What is the total number of people watching both the games?