Patulong po pls Kailangan po ng solving Hindi ko po irereport kahit sino basta po patulong pls

1. Which pair of fractions are reciprocals?
A. 1/3 and 3/9 B. 1/4 and 3/4
C. 1/5 and 5 D. 5 1/4 and 4/20
2. What is the reciprocals of 5/7?
A. 1. B. 5/7 C. 7/5. D. 6/7
3. Make the sentence true. 2 1/2 x __ =1
A. 5/2. B. 2/5
C. 1 1/2. D. 2 2/5
4. What is the product of 3/8 and its reciprocal.
A. 0. B. 1. C. 2. D. 3
5. Multiply 1 2/7 by the multiplicative inverse of 4.
A. 9/28. B. 9/10
C. 9/21. D. 9/15
6. Judy has 3/4 metre of lace. She used 1/3 of the lace to trim her handkerchief. How much lace was used?
A. 1/2 B. 1/3
C. 1/4 D. 1/5
7. Ann bought 10 1/2 metres of ribbon for P5.00 per metre. How much will she pay for it?
A. P50.50. B. P51.50
C. P53.50. D. P52.50​