Calvin and Susie had some game cards at first. Calvin gave 1/4 of his cards to Susie. After that Susie gave 1/5 of her cards to Calvin. In the end, Calvin had 45 cards and Susie had 36 cards. How many cards did Calvin have at first ?
Calvin and Susie had some game cards at first. Calvin gave 1/4 of his cards to Susie. After that Susie gave 1/5 of her cards to Calvin. In the end, Calvin had 45 cards and Susie had 36 cards. How many cards did Calvin have at first ?
The ratio of the number of David's cards to that of Peter's cards was 2:3 at first. After Peter gave 1/2 of his cards to David, he had 24 fewer cards than David. How many cards that David and Peter each have at first ?
Sack A and Sack B contained 10 1/2 kg of sand altogether. 3/7 of the sand from sack A was transferred into sack B. 1/6 of the sand from sack B was then transferred into sack A. Both sacks contained an equal mass of sand in the end. How many kilograms of sand were there in each sack at first ? Give your answers in mixed number ?
Tank A and Tank B contained 12.5L of water altogether. 3/5 of the water from tank B was transferred into tank A. 4/9 of the water from Tank A was then transferred into tank B. Both tanks contained an equal volume of water in the end. How many litres of water did each tank contain at first? Give answer in mixed number.
Blue stickers were sold in packets of 15 each. Green stickers were sold in packets of 40 each. Rachel bought 5 packets of blue stickers and some packets of green stickers. Farah bought 13 packets of blue stickers and some packets of green stickers. Both girls bought the same total number of packets of stickers.
a) How many more green stickers did Rachel buy than Farah ?
b) After Rachel used 3/5 of her green stickers and Farah used half of her green stickers, they both had 452 green stickers left altogether. How many blue and green stickers did Farah buy altogether?
Anna and Sue folded paper cranes to raise funds for an event. 1/3 of Anna's paper cranes was 16 more than 1/4 of Sue's paper cranes. After a few days, Anna folded more paper cranes and her total increased by 1/3. Sue had to throw away 1/2 of hers as they were torn. At the end, Anna had 82 paper cranes more than Sue. How many paper cranes were there in the end?
Solution:
Samantha and Megan have some money. If Samantha spends $60 each day and Megan spends $120 on each day, Samantha will have $680 left when Megan has spent all her money. If Samantha spends $120 each day and Megan spends $60 on each day, Samantha will have $140 left when Megan has spent all her money.
How much money does each girl have?
Solution: