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Grandfather Moses had 1750 stamps with him and he decided to distribute some of them amongst his 3 grandchildren.

He gave 30% of the stamps to Edwin.

Aldrin received 40% of the remaining stamps and 95 stamps were given to Janet.

(a) How many stamps was Moses left with?

(b) From the remaining stamps, Moses gave Sara a certain number of stamps and he was finally left with 115 stamps. What percentage of his initial number of stamps did he give Sara?

Notes to student:

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