"1. when 2/7 is subtracted from a fraction, the result is 5/4. what is the fraction?
2. The Alcantara family owns 3/4 of the stock in a certain company. He wants to distribute his stocks among his 3 children. Mr. Alcantara gives 3/10 of the stocks to his eldest child and 1/4 of the stocks to his second child. what part of the stocks is given to his third child?
3. One section of a concrete fence uses 2 1/4 bags of cement. How many bags of cement are used if there 7 sections?
4. the product of two numbers is 12 5/6. if one number is 3 1/3. what is the other number?
5. the enrollment for grade 5 last year was 280. this year, the increase is 7/20 of last year's enrollment. how many grade 5 pupils are there this year?"