Progress tracking tools for students FREE Video Lesson Worth $20! 10,000 Math Questions From P1 to P6! Access 300 Hours of Video Explanations! Video Tutorials to Tough PSLE Questions! Step-by-step worked solutions

PARENTS, STUDENTS, TEACHERS
You can now view questions, answers, 100's of hours of video explanations and step-by-step worked solutions for FREE!
Sign up/Login if you wish to track your progress!

Need dedicated, 1-1 help? PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!*
Click here to learn more

Gary and Mary have 170 marbles.

Gary gave `1/4` of his marbles away and Mary gave `1/3` of her marbles away.

As a result, they had a total of 120 marbles left.

(a) How many marbles did Gary have at first?

(b) How many marbles did Mary have at first?

Notes to students: If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12