Asked by charlotte

maria gave two fifths of her stickers to susan but still had 18 left.

how many did she give susan.

thats my homework question and i don't understand how i find out the answer
Answered by Ms. Sue
5/5 - 2/5 = 3/5

3/5x = 18

x = 18/(3/5)

x = 18 * (5/3)

x = 90/3 = 30

2/5 * 30 = 60/5 = 12 stamps she gave Susan

Answered by Gisela
Hello Sue, why does the fraction change to 5/3 from 3/4 and why does the calculation change / to * ?
Easier would be at the end
30-18=12

Thank you.

Kind Regards
Answered by Gisela
Meant change to 5/3 from 3/5?
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